| Year | Value | | 2022 | 205,322 | | 2021 | 205,174 | | 2020 | 203,018 | | 2019 | 197,165 | | 2018 | 189,810 | | 2017 | 182,220 | | 2016 | 173,950 | | 2015 | 164,719 | | 2014 | 155,071 | | 2013 | 146,109 | | 2012 | 138,354 | | 2011 | 132,662 | | 2010 | 129,485 | | 2009 | 128,678 | | 2008 | 129,489 | | 2007 | 131,069 | | 2006 | 133,031 | | 2005 | 134,749 | | 2004 | 136,042 | | 2003 | 137,157 | | 2002 | 137,797 | | 2001 | 137,592 | | 2000 | 136,363 | | 1999 | 134,473 | | 1998 | 132,297 | | 1997 | 129,737 | | 1996 | 127,085 | | 1995 | 124,842 | | 1994 | 122,905 | | 1993 | 120,765 | | 1992 | 118,414 | | 1991 | 115,944 | | 1990 | 113,340 | | 1989 | 110,650 | | 1988 | 107,942 | | 1987 | 105,189 | | 1986 | 102,365 | | 1985 | 99,508 | | 1984 | 96,659 | | 1983 | 93,782 | | 1982 | 90,811 | | 1981 | 87,717 | | 1980 | 84,544 | | 1979 | 81,244 | | 1978 | 77,672 | | 1977 | 73,849 | | 1976 | 69,926 | | 1975 | 65,951 | | 1974 | 62,017 | | 1973 | 58,423 | | 1972 | 55,352 | | 1971 | 52,791 | | 1970 | 50,770 | | 1969 | 49,260 | | 1968 | 48,186 | | 1967 | 47,429 | | 1966 | 46,815 | | 1965 | 46,246 | | 1964 | 45,759 | | 1963 | 45,398 | | 1962 | 45,115 | | 1961 | 44,867 | | 1960 | 44,624 |
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