Year | Value | 2022 | 186,147 | 2021 | 185,300 | 2020 | 181,247 | 2019 | 172,173 | 2018 | 161,077 | 2017 | 149,229 | 2016 | 139,133 | 2015 | 132,152 | 2014 | 128,905 | 2013 | 129,003 | 2012 | 129,962 | 2011 | 130,676 | 2010 | 130,233 | 2009 | 127,598 | 2008 | 121,885 | 2007 | 115,464 | 2006 | 110,062 | 2005 | 105,003 | 2004 | 100,701 | 2003 | 97,624 | 2002 | 97,067 | 2001 | 98,833 | 2000 | 101,938 | 1999 | 105,585 | 1998 | 108,963 | 1997 | 112,868 | 1996 | 116,832 | 1995 | 119,915 | 1994 | 121,563 | 1993 | 120,716 | 1992 | 118,557 | 1991 | 116,048 | 1990 | 112,200 | 1989 | 108,072 | 1988 | 105,967 | 1987 | 100,994 | 1986 | 96,597 | 1985 | 92,180 | 1984 | 87,383 | 1983 | 81,831 | 1982 | 75,624 | 1981 | 69,824 | 1980 | 65,171 | 1979 | 61,602 | 1978 | 59,056 | 1977 | 57,532 | 1976 | 56,699 | 1975 | 56,045 | 1974 | 55,609 | 1973 | 55,820 | 1972 | 56,430 | 1971 | 56,874 | 1970 | 56,735 | 1969 | 55,896 | 1968 | 54,237 | 1967 | 51,892 | 1966 | 49,378 | 1965 | 47,194 | 1964 | 45,381 | 1963 | 43,889 | 1962 | 42,823 | 1961 | 41,961 | 1960 | 40,975 |
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