<Ul> <Li> 1929--1934: 10 clubs </Li> <Li> 1934--1941: 12 clubs </Li> <Li> 1941--1950: 14 clubs </Li> <Li> 1950--1971: 16 clubs </Li> <Li> 1971--1987: 18 clubs </Li> <Li> 1987--1995: 20 clubs </Li> <Li> 1995--1997: 22 clubs </Li> <Li> 1997--present: 20 clubs </Li> </Ul> <Li> 1929--1934: 10 clubs </Li> <Li> 1934--1941: 12 clubs </Li> <Li> 1941--1950: 14 clubs </Li>

How many teams in spain qualify for champions league