| Year | Value | | 2022 | 214,701 | | 2021 | 213,138 | | 2020 | 211,341 | | 2019 | 208,539 | | 2018 | 204,335 | | 2017 | 199,206 | | 2016 | 192,845 | | 2015 | 185,045 | | 2014 | 177,279 | | 2013 | 169,887 | | 2012 | 162,210 | | 2011 | 154,905 | | 2010 | 147,817 | | 2009 | 140,202 | | 2008 | 133,058 | | 2007 | 127,404 | | 2006 | 122,433 | | 2005 | 117,776 | | 2004 | 114,058 | | 2003 | 110,650 | | 2002 | 106,761 | | 2001 | 102,892 | | 2000 | 99,240 | | 1999 | 95,702 | | 1998 | 92,226 | | 1997 | 89,043 | | 1996 | 86,373 | | 1995 | 84,377 | | 1994 | 83,102 | | 1993 | 82,521 | | 1992 | 82,435 | | 1991 | 82,421 | | 1990 | 82,364 | | 1989 | 82,294 | | 1988 | 82,008 | | 1987 | 81,505 | | 1986 | 81,166 | | 1985 | 81,190 | | 1984 | 81,452 | | 1983 | 81,887 | | 1982 | 82,448 | | 1981 | 82,943 | | 1980 | 83,331 | | 1979 | 83,663 | | 1978 | 83,885 | | 1977 | 83,953 | | 1976 | 83,900 | | 1975 | 83,836 | | 1974 | 83,833 | | 1973 | 83,932 | | 1972 | 84,007 | | 1971 | 83,807 | | 1970 | 83,163 | | 1969 | 82,048 | | 1968 | 80,330 | | 1967 | 78,112 | | 1966 | 75,969 | | 1965 | 74,327 | | 1964 | 73,199 | | 1963 | 72,653 | | 1962 | 72,525 | | 1961 | 71,998 | | 1960 | 70,628 |
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