Best set of year

My arbitrary determination of the best mainstream set of each year since 1981:

1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991 
1992
1993
1994
1995

1996

1997
1998

Total tally so far:

Topps - 6; Upper Deck -4; Stadium Club - 2; Ultra - 2; Collector's Choice - 1; Donruss - 1; Fleer - 1; Score - 1