| Year | Value | | 2022 | 226,620 | | 2021 | 219,656 | | 2020 | 212,831 | | 2019 | 204,246 | | 2018 | 195,704 | | 2017 | 188,216 | | 2016 | 181,775 | | 2015 | 177,317 | | 2014 | 174,163 | | 2013 | 171,222 | | 2012 | 168,587 | | 2011 | 165,912 | | 2010 | 162,882 | | 2009 | 159,308 | | 2008 | 155,270 | | 2007 | 151,554 | | 2006 | 148,520 | | 2005 | 146,239 | | 2004 | 144,585 | | 2003 | 143,114 | | 2002 | 141,058 | | 2001 | 138,062 | | 2000 | 134,303 | | 1999 | 130,365 | | 1998 | 126,702 | | 1997 | 123,010 | | 1996 | 119,482 | | 1995 | 116,325 | | 1994 | 113,146 | | 1993 | 110,010 | | 1992 | 107,022 | | 1991 | 103,957 | | 1990 | 101,408 | | 1989 | 100,217 | | 1988 | 99,503 | | 1987 | 99,353 | | 1986 | 99,540 | | 1985 | 99,000 | | 1984 | 97,679 | | 1983 | 95,841 | | 1982 | 93,631 | | 1981 | 91,399 | | 1980 | 89,387 | | 1979 | 87,603 | | 1978 | 85,860 | | 1977 | 83,923 | | 1976 | 81,775 | | 1975 | 79,593 | | 1974 | 77,501 | | 1973 | 75,534 | | 1972 | 73,362 | | 1971 | 70,961 | | 1970 | 68,735 | | 1969 | 66,545 | | 1968 | 64,291 | | 1967 | 62,227 | | 1966 | 60,580 | | 1965 | 59,284 | | 1964 | 58,370 | | 1963 | 57,845 | | 1962 | 57,371 | | 1961 | 56,793 | | 1960 | 56,107 |
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