| Year | Value | | 2024 | 144,984 | | 2023 | 143,483 | | 2022 | 141,416 | | 2021 | 138,794 | | 2020 | 135,104 | | 2019 | 130,345 | | 2018 | 125,222 | | 2017 | 120,012 | | 2016 | 114,982 | | 2015 | 110,280 | | 2014 | 105,814 | | 2013 | 101,499 | | 2012 | 97,343 | | 2011 | 93,394 | | 2010 | 89,700 | | 2009 | 86,532 | | 2008 | 83,914 | | 2007 | 81,439 | | 2006 | 79,067 | | 2005 | 76,984 | | 2004 | 74,991 | | 2003 | 72,991 | | 2002 | 71,170 | | 2001 | 69,269 | | 2000 | 66,820 | | 1999 | 63,863 | | 1998 | 60,796 | | 1997 | 57,891 | | 1996 | 55,327 | | 1995 | 53,289 | | 1994 | 51,655 | | 1993 | 50,136 | | 1992 | 48,759 | | 1991 | 47,773 | | 1990 | 47,334 | | 1989 | 47,473 | | 1988 | 48,049 | | 1987 | 48,674 | | 1986 | 48,900 | | 1985 | 48,479 | | 1984 | 47,384 | | 1983 | 45,718 | | 1982 | 43,693 | | 1981 | 41,575 | | 1980 | 39,493 | | 1979 | 37,457 | | 1978 | 35,532 | | 1977 | 33,881 | | 1976 | 32,679 | | 1975 | 32,044 |
|