1982 : 29 products

1983 : 35 products

1984 : 37 products

1985 : 36 products

1986 : 36 products

1987 : 37 products

1988 : 35 products

1989 : 29 products

1990 : 28 products

1991 : 35 products

1992 : 33 products

1993 : 35 products

1994 : 33 products

1995 : 37 products

1996 : 36 products

1997 : 37 products

1998 : 36 products

1999 : 36 products

2000 : 36 products

2001 : 37 products

2002 : 37 products

2003 : 37 products

2004 : 62 products

2005 : 74 products

2006 : 55 products

2007 : 34 products

2008 : 29 products

2009 : 33 products

2010 : 37 products

2011 : 37 products

2012 : 37 products

2013 : 35 products

2014 : 34 products

2015 : 34 products

2016 : 37 products

2017 : 37 products