1981 : 4 products
1982 : 12 products
1983 : 12 products
1984 : 12 products
1985 : 12 products
1986 : 12 products
1987 : 12 products
1988 : 12 products
1989 : 13 products
1990 : 16 products
1991 : 13 products
1992 : 13 products
1993 : 14 products
1994 : 13 products
1995 : 12 products
1996 : 12 products
1997 : 13 products
1998 : 13 products
1999 : 13 products
2000 : 13 products
2001 : 12 products
2002 : 12 products
2003 : 12 products
2004 : 13 products
2005 : 12 products
2006 : 14 products
2007 : 14 products
2008 : 13 products
2009 : 14 products
2010 : 12 products
2011 : 12 products
2012 : 12 products
2013 : 14 products
2014 : 14 products
2015 : 14 products
2016 : 13 products
2017 : 12 products
2018 : 15 products
2019 : 13 products
2020 : 13 products
2021 : 13 products
2022 : 13 products
2023 : 13 products