Year | Value | 2022 | 144,993 | 2021 | 142,027 | 2020 | 139,199 | 2019 | 137,568 | 2018 | 136,476 | 2017 | 136,407 | 2016 | 138,270 | 2015 | 139,546 | 2014 | 138,426 | 2013 | 135,178 | 2012 | 129,189 | 2011 | 120,175 | 2010 | 111,197 | 2009 | 104,345 | 2008 | 98,948 | 2007 | 95,033 | 2006 | 92,441 | 2005 | 90,312 | 2004 | 87,838 | 2003 | 85,835 | 2002 | 85,165 | 2001 | 85,946 | 2000 | 87,506 | 1999 | 89,414 | 1998 | 91,606 | 1997 | 93,420 | 1996 | 95,000 | 1995 | 96,807 | 1994 | 99,073 | 1993 | 102,195 | 1992 | 105,671 | 1991 | 109,003 | 1990 | 112,906 | 1989 | 115,095 | 1988 | 114,948 | 1987 | 114,931 | 1986 | 114,025 | 1985 | 111,333 | 1984 | 109,724 | 1983 | 109,415 | 1982 | 108,371 | 1981 | 107,559 | 1980 | 106,882 | 1979 | 106,316 | 1978 | 105,433 | 1977 | 103,921 | 1976 | 102,386 | 1975 | 100,981 | 1974 | 99,428 | 1973 | 98,084 | 1972 | 97,173 | 1971 | 96,356 | 1970 | 95,597 | 1969 | 94,689 | 1968 | 93,597 | 1967 | 92,328 | 1966 | 90,546 | 1965 | 88,477 | 1964 | 86,413 | 1963 | 84,063 | 1962 | 81,482 | 1961 | 78,898 | 1960 | 76,429 |
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