| Year | Value | | 2022 | 76,532 | | 2021 | 78,880 | | 2020 | 80,554 | | 2019 | 81,729 | | 2018 | 82,648 | | 2017 | 83,844 | | 2016 | 85,367 | | 2015 | 87,101 | | 2014 | 89,153 | | 2013 | 91,045 | | 2012 | 92,502 | | 2011 | 93,655 | | 2010 | 94,717 | | 2009 | 96,002 | | 2008 | 97,435 | | 2007 | 98,661 | | 2006 | 100,135 | | 2005 | 102,120 | | 2004 | 104,852 | | 2003 | 108,954 | | 2002 | 114,030 | | 2001 | 118,149 | | 2000 | 120,210 | | 1999 | 121,148 | | 1998 | 121,059 | | 1997 | 120,767 | | 1996 | 121,657 | | 1995 | 125,293 | | 1994 | 134,952 | | 1993 | 149,043 | | 1992 | 165,212 | | 1991 | 176,135 | | 1990 | 180,486 | | 1989 | 185,085 | | 1988 | 189,184 | | 1987 | 192,329 | | 1986 | 194,112 | | 1985 | 193,941 | | 1984 | 192,026 | | 1983 | 189,447 | | 1982 | 187,240 | | 1981 | 186,304 | | 1980 | 187,194 | | 1979 | 189,561 | | 1978 | 192,626 | | 1977 | 195,908 | | 1976 | 198,987 | | 1975 | 201,592 | | 1974 | 204,038 | | 1973 | 206,525 | | 1972 | 209,121 | | 1971 | 212,285 | | 1970 | 216,437 | | 1969 | 221,168 | | 1968 | 226,092 | | 1967 | 231,041 | | 1966 | 235,545 | | 1965 | 239,176 | | 1964 | 241,738 | | 1963 | 243,137 | | 1962 | 243,312 | | 1961 | 242,847 | | 1960 | 242,229 |
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