| Year | Value | | 2024 | 264,553 | | 2023 | 254,935 | | 2022 | 244,959 | | 2021 | 241,665 | | 2020 | 239,503 | | 2019 | 232,287 | | 2018 | 225,713 | | 2017 | 220,583 | | 2016 | 216,221 | | 2015 | 212,261 | | 2014 | 209,242 | | 2013 | 205,775 | | 2012 | 201,525 | | 2011 | 197,881 | | 2010 | 194,232 | | 2009 | 190,207 | | 2008 | 186,382 | | 2007 | 182,199 | | 2006 | 176,961 | | 2005 | 170,977 | | 2004 | 165,397 | | 2003 | 160,758 | | 2002 | 156,162 | | 2001 | 150,519 | | 2000 | 144,004 | | 1999 | 137,352 | | 1998 | 131,345 | | 1997 | 126,245 | | 1996 | 121,739 | | 1995 | 117,337 | | 1994 | 112,749 | | 1993 | 108,684 | | 1992 | 105,038 | | 1991 | 100,886 | | 1990 | 96,221 | | 1989 | 91,318 | | 1988 | 86,446 | | 1987 | 81,606 | | 1986 | 76,916 | | 1985 | 72,325 | | 1984 | 67,651 | | 1983 | 62,848 | | 1982 | 58,187 | | 1981 | 54,457 | | 1980 | 50,991 | | 1979 | 47,719 | | 1978 | 45,403 | | 1977 | 43,326 | | 1976 | 40,948 | | 1975 | 38,277 |
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