Year | Value | 2023 | 55,616 | 2022 | 54,152 | 2021 | 52,673 | 2020 | 51,385 | 2019 | 50,342 | 2018 | 49,533 | 2017 | 48,897 | 2016 | 48,293 | 2015 | 47,589 | 2014 | 46,731 | 2013 | 45,755 | 2012 | 44,738 | 2011 | 43,701 | 2010 | 42,665 | 2009 | 41,691 | 2008 | 40,761 | 2007 | 39,930 | 2006 | 39,177 | 2005 | 38,790 | 2004 | 38,904 | 2003 | 39,170 | 2002 | 38,913 | 2001 | 37,928 | 2000 | 36,830 | 1999 | 35,668 | 1998 | 34,161 | 1997 | 32,224 | 1996 | 30,607 | 1995 | 29,706 | 1994 | 29,255 | 1993 | 28,495 | 1992 | 28,796 | 1991 | 28,775 | 1990 | 26,206 | 1989 | 23,470 | 1988 | 21,540 | 1987 | 20,024 | 1986 | 18,622 | 1985 | 17,435 | 1984 | 16,485 | 1983 | 15,732 | 1982 | 15,073 | 1981 | 14,384 | 1980 | 13,572 | 1979 | 12,610 | 1978 | 11,536 | 1977 | 10,441 | 1976 | 9,433 | 1975 | 8,600 | 1974 | 8,010 |
|