1978 : 712 products

1979 : 7063 products

1980 : 7796 products

1981 : 7594 products

1982 : 9513 products

1983 : 9421 products

1984 : 7035 products

1985 : 5285 products

1986 : 5107 products

1987 : 9747 products

1988 : 10115 products

1989 : 9723 products

1990 : 9300 products

1991 : 11234 products

1992 : 9762 products

1993 : 9754 products

1994 : 9430 products

1995 : 11079 products

1996 : 9964 products

1997 : 12361 products

1998 : 14700 products

1999 : 15048 products

2000 : 11336 products

2001 : 15215 products

2002 : 17685 products

2003 : 20454 products

2004 : 20242 products

2005 : 22951 products

2006 : 24130 products

2007 : 25113 products

2008 : 25747 products

2009 : 26493 products

2010 : 25448 products

2011 : 25686 products

2012 : 25457 products

2013 : 26448 products

2014 : 22566 products

2015 : 20574 products

2016 : 20623 products

2017 : 20606 products

2018 : 21429 products

2019 : 25653 products

2020 : 25744 products

2021 : 19848 products

2022 : 15406 products