<P> As of the beginning of October 2016 term, there are: </P> <Ul> <Li> 564 final bound volumes of U.S. Reports, covering cases through the end of October 2010 term, which ended on September 28, 2011 . </Li> <Li> 16 volumes' worth of opinions available in slip opinion form (volumes 565--580) </Li> </Ul> <Li> 564 final bound volumes of U.S. Reports, covering cases through the end of October 2010 term, which ended on September 28, 2011 . </Li> <Li> 16 volumes' worth of opinions available in slip opinion form (volumes 565--580) </Li>

There are approximately ____ federal district court judges in the united states