| Year | Value | | 2022 | 263,140 | | 2021 | 250,197 | | 2020 | 238,054 | | 2019 | 226,851 | | 2018 | 216,564 | | 2017 | 207,388 | | 2016 | 199,489 | | 2015 | 192,920 | | 2014 | 187,563 | | 2013 | 182,901 | | 2012 | 179,252 | | 2011 | 176,138 | | 2010 | 172,885 | | 2009 | 170,050 | | 2008 | 167,749 | | 2007 | 165,810 | | 2006 | 163,976 | | 2005 | 162,202 | | 2004 | 159,996 | | 2003 | 157,604 | | 2002 | 155,470 | | 2001 | 152,930 | | 2000 | 149,941 | | 1999 | 147,793 | | 1998 | 146,613 | | 1997 | 145,692 | | 1996 | 145,339 | | 1995 | 145,026 | | 1994 | 143,006 | | 1993 | 139,004 | | 1992 | 134,255 | | 1991 | 129,592 | | 1990 | 125,574 | | 1989 | 122,967 | | 1988 | 121,824 | | 1987 | 121,390 | | 1986 | 121,210 | | 1985 | 120,962 | | 1984 | 120,645 | | 1983 | 120,272 | | 1982 | 119,823 | | 1981 | 119,403 | | 1980 | 119,015 | | 1979 | 118,603 | | 1978 | 118,121 | | 1977 | 117,627 | | 1976 | 117,328 | | 1975 | 117,293 | | 1974 | 117,440 | | 1973 | 117,809 | | 1972 | 118,290 | | 1971 | 118,562 | | 1970 | 118,390 | | 1969 | 117,765 | | 1968 | 116,695 | | 1967 | 115,246 | | 1966 | 113,713 | | 1965 | 112,209 | | 1964 | 110,674 | | 1963 | 109,114 | | 1962 | 107,521 | | 1961 | 105,787 | | 1960 | 103,851 |
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