Year | Value | 2023 | 327,956 | 2022 | 331,483 | 2021 | 333,644 | 2020 | 333,579 | 2019 | 330,573 | 2018 | 323,758 | 2017 | 313,014 | 2016 | 298,238 | 2015 | 280,001 | 2014 | 259,540 | 2013 | 238,486 | 2012 | 218,478 | 2011 | 200,681 | 2010 | 185,552 | 2009 | 172,788 | 2008 | 160,051 | 2007 | 147,697 | 2006 | 135,422 | 2005 | 121,018 | 2004 | 105,528 | 2003 | 91,665 | 2002 | 83,062 | 2001 | 82,820 | 2000 | 91,498 | 1999 | 106,989 | 1998 | 126,698 | 1997 | 146,764 | 1996 | 162,890 | 1995 | 172,557 | 1994 | 174,719 | 1993 | 169,536 | 1992 | 160,150 | 1991 | 150,580 | 1990 | 143,949 | 1989 | 141,447 | 1988 | 141,686 | 1987 | 141,893 | 1986 | 139,930 | 1985 | 135,739 | 1984 | 129,217 | 1983 | 120,903 | 1982 | 112,139 | 1981 | 104,236 | 1980 | 97,654 | 1979 | 91,855 | 1978 | 86,036 | 1977 | 80,626 | 1976 | 76,395 | 1975 | 73,874 | 1974 | 72,815 |
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