Class #1 - 1987
Class #2 - 1988
Class #3 - 1989
Class #4 - 1990
Class #5 - 1991
Class #6 - 1992
Class #7 - 1993
Class #8 - 1994
Class #9 - 1995
Class #10 - 1996
Class #11 - 1997

Class #12 - 1998
Class #13 - 1999
Class #14 - 2000
Class #15 - 2001
Class #16 - 2002
Class #17 - 2003
Class #18 - 2004
Class #19 - 2005
Class #20 - 2006
Class #21 - 2007
Class #22 - 2008