| Year | Value | | 2022 | 305,922 | | 2021 | 289,169 | | 2020 | 273,342 | | 2019 | 258,460 | | 2018 | 245,360 | | 2017 | 234,871 | | 2016 | 226,807 | | 2015 | 220,594 | | 2014 | 215,843 | | 2013 | 212,473 | | 2012 | 209,644 | | 2011 | 206,418 | | 2010 | 202,094 | | 2009 | 196,526 | | 2008 | 190,602 | | 2007 | 185,341 | | 2006 | 181,224 | | 2005 | 178,052 | | 2004 | 175,721 | | 2003 | 173,862 | | 2002 | 171,499 | | 2001 | 168,536 | | 2000 | 165,491 | | 1999 | 162,469 | | 1998 | 159,544 | | 1997 | 156,797 | | 1996 | 154,324 | | 1995 | 151,940 | | 1994 | 149,433 | | 1993 | 146,647 | | 1992 | 143,472 | | 1991 | 139,914 | | 1990 | 136,010 | | 1989 | 131,767 | | 1988 | 129,722 | | 1987 | 128,056 | | 1986 | 123,630 | | 1985 | 118,599 | | 1984 | 113,879 | | 1983 | 109,442 | | 1982 | 105,275 | | 1981 | 101,370 | | 1980 | 97,760 | | 1979 | 94,564 | | 1978 | 91,718 | | 1977 | 89,326 | | 1976 | 87,637 | | 1975 | 84,614 | | 1974 | 80,006 | | 1973 | 75,856 | | 1972 | 72,169 | | 1971 | 68,725 | | 1970 | 65,567 | | 1969 | 62,699 | | 1968 | 60,076 | | 1967 | 57,624 | | 1966 | 55,273 | | 1965 | 53,007 | | 1964 | 50,824 | | 1963 | 48,714 | | 1962 | 46,673 | | 1961 | 44,719 | | 1960 | 42,890 |
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