<Tr> <Td> 1948 </Td> <Td> Baltimore Bullets </Td> <Td> 4--2 </Td> <Td> Philadelphia Warriors </Td> <Td> </Td> </Tr> <Tr> <Td> 1949 </Td> <Td> Minneapolis Lakers </Td> <Td> 4--2 </Td> <Td> Washington Capitols </Td> <Td> </Td> </Tr> <Table> <Tr> <Th> Year </Th> <Th> Western Champions </Th> <Th> Result </Th> <Th> Eastern Champions </Th> <Th> Reference </Th> </Tr> <Tr> <Td> 1950 </Td> <Td> Minneapolis Lakers </Td> <Td> 4--2 </Td> <Td> Syracuse Nationals </Td> <Td> </Td> </Tr> <Tr> <Td> 1951 </Td> <Td> Rochester Royals (2) </Td> <Td> 4--3 </Td> <Td> New York Knicks (3) </Td> <Td> </Td> </Tr> <Tr> <Td> 1952 </Td> <Td> Minneapolis Lakers (2) </Td> <Td> 4--3 </Td> <Td> New York Knicks (3) </Td> <Td> </Td> </Tr> <Tr> <Td> 1953 </Td> <Td> Minneapolis Lakers (1) </Td> <Td> 4--1 </Td> <Td> New York Knicks (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1954 </Td> <Td> Minneapolis Lakers (1) </Td> <Td> 4--3 </Td> <Td> Syracuse Nationals (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1955 </Td> <Td> Fort Wayne Pistons (1) </Td> <Td> 3--4 </Td> <Td> Syracuse Nationals (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1956 </Td> <Td> Fort Wayne Pistons (1) </Td> <Td> 1--4 </Td> <Td> Philadelphia Warriors (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1957 </Td> <Td> St. Louis Hawks (1) </Td> <Td> 3--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1958 </Td> <Td> St. Louis Hawks (1) </Td> <Td> 4--2 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1959 </Td> <Td> Minneapolis Lakers (2) </Td> <Td> 0--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1960 </Td> <Td> St. Louis Hawks (1) </Td> <Td> 3--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1961 </Td> <Td> St. Louis Hawks (1) </Td> <Td> 1--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1962 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 3--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1963 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 2--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1964 </Td> <Td> San Francisco Warriors (1) </Td> <Td> 1--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1965 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 1--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1966 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 3--4 </Td> <Td> Boston Celtics (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 1967 </Td> <Td> San Francisco Warriors (1) </Td> <Td> 2--4 </Td> <Td> Philadelphia 76ers (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1968 </Td> <Td> Los Angeles Lakers (2) </Td> <Td> 2--4 </Td> <Td> Boston Celtics (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 1969 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 3--4 </Td> <Td> Boston Celtics (4) </Td> <Td> </Td> </Tr> <Tr> <Td> 1970 </Td> <Td> Los Angeles Lakers (2) </Td> <Td> 3--4 </Td> <Td> New York Knicks (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1971 </Td> <Td> Milwaukee Bucks (1) </Td> <Td> 4--0 </Td> <Td> Baltimore Bullets (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1972 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 4--1 </Td> <Td> New York Knicks (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 1973 </Td> <Td> Los Angeles Lakers (2) </Td> <Td> 1--4 </Td> <Td> New York Knicks (2) </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Milwaukee Bucks (1) </Td> <Td> 3--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Golden State Warriors (1) </Td> <Td> 4--0 </Td> <Td> Washington Bullets (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 1976 </Td> <Td> Phoenix Suns (3) </Td> <Td> 2--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1977 </Td> <Td> Portland Trail Blazers (3) </Td> <Td> 4--2 </Td> <Td> Philadelphia 76ers (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1978 </Td> <Td> Seattle SuperSonics (4) </Td> <Td> 3--4 </Td> <Td> Washington Bullets (3) </Td> <Td> </Td> </Tr> <Tr> <Td> 1979 </Td> <Td> Seattle SuperSonics (1) </Td> <Td> 4--1 </Td> <Td> Washington Bullets (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1980 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 4--2 </Td> <Td> Philadelphia 76ers (3) </Td> <Td> </Td> </Tr> <Tr> <Td> 1981 </Td> <Td> Houston Rockets (6) </Td> <Td> 2--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1982 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 4--2 </Td> <Td> Philadelphia 76ers (3) </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 0--4 </Td> <Td> Philadelphia 76ers (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1984 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 3--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1985 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 4--2 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1986 </Td> <Td> Houston Rockets (2) </Td> <Td> 2--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 4--2 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1988 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 4--3 </Td> <Td> Detroit Pistons (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 1989 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 0--4 </Td> <Td> Detroit Pistons (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1990 </Td> <Td> Portland Trail Blazers (3) </Td> <Td> 1--4 </Td> <Td> Detroit Pistons (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1991 </Td> <Td> Los Angeles Lakers (3) </Td> <Td> 1--4 </Td> <Td> Chicago Bulls (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1992 </Td> <Td> Portland Trail Blazers (1) </Td> <Td> 2--4 </Td> <Td> Chicago Bulls (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1993 </Td> <Td> Phoenix Suns (1) </Td> <Td> 2--4 </Td> <Td> Chicago Bulls (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 1994 </Td> <Td> Houston Rockets (2) </Td> <Td> 4--3 </Td> <Td> New York Knicks (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 1995 </Td> <Td> Houston Rockets (6) </Td> <Td> 4--0 </Td> <Td> Orlando Magic (1) </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Seattle SuperSonics (1) </Td> <Td> 2--4 </Td> <Td> Chicago Bulls (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1997 </Td> <Td> Utah Jazz (1) </Td> <Td> 2--4 </Td> <Td> Chicago Bulls (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1998 </Td> <Td> Utah Jazz (1) </Td> <Td> 2--4 </Td> <Td> Chicago Bulls (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 1999 </Td> <Td> San Antonio Spurs (1) </Td> <Td> 4--1 </Td> <Td> New York Knicks (8) </Td> <Td> </Td> </Tr> <Tr> <Td> 2000 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 4--2 </Td> <Td> Indiana Pacers (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 2001 </Td> <Td> Los Angeles Lakers (2) </Td> <Td> 4--1 </Td> <Td> Philadelphia 76ers (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 2002 </Td> <Td> Los Angeles Lakers (3) </Td> <Td> 4--0 </Td> <Td> New Jersey Nets (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 2003 </Td> <Td> San Antonio Spurs (1) </Td> <Td> 4--2 </Td> <Td> New Jersey Nets (2) </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Los Angeles Lakers (2) </Td> <Td> 1--4 </Td> <Td> Detroit Pistons (3) </Td> <Td> </Td> </Tr> <Tr> <Td> 2005 </Td> <Td> San Antonio Spurs (2) </Td> <Td> 4--3 </Td> <Td> Detroit Pistons (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 2006 </Td> <Td> Dallas Mavericks (4) </Td> <Td> 2--4 </Td> <Td> Miami Heat (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 2007 </Td> <Td> San Antonio Spurs (3) </Td> <Td> 4--0 </Td> <Td> Cleveland Cavaliers (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 2008 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 2--4 </Td> <Td> Boston Celtics (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 2009 </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 4--1 </Td> <Td> Orlando Magic (3) </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Los Angeles Lakers (1) </Td> <Td> 4--3 </Td> <Td> Boston Celtics (4) </Td> <Td> </Td> </Tr> <Tr> <Td> 2011 </Td> <Td> Dallas Mavericks (3) </Td> <Td> 4--2 </Td> <Td> Miami Heat (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 2012 </Td> <Td> Oklahoma City Thunder (2) </Td> <Td> 1--4 </Td> <Td> Miami Heat (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 2013 </Td> <Td> San Antonio Spurs (2) </Td> <Td> 3--4 </Td> <Td> Miami Heat (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 2014 </Td> <Td> San Antonio Spurs (1) </Td> <Td> 4--1 </Td> <Td> Miami Heat (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 2015 </Td> <Td> Golden State Warriors (1) </Td> <Td> 4--2 </Td> <Td> Cleveland Cavaliers (2) </Td> <Td> </Td> </Tr> <Tr> <Td> 2016 </Td> <Td> Golden State Warriors (1) </Td> <Td> 3--4 </Td> <Td> Cleveland Cavaliers (1) </Td> <Td> </Td> </Tr> <Tr> <Td> 2017 </Td> <Td> Golden State Warriors (1) </Td> <Td> 4--1 </Td> <Td> Cleveland Cavaliers (2) </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Year </Th> <Th> Western Champions </Th> <Th> Result </Th> <Th> Eastern Champions </Th> <Th> Reference </Th> </Tr>

When was the last time there was a sweep in nba finals
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