| Year | Value | | 2022 | 146,267 | | 2021 | 140,931 | | 2020 | 135,832 | | 2019 | 130,922 | | 2018 | 126,267 | | 2017 | 121,800 | | 2016 | 117,376 | | 2015 | 113,083 | | 2014 | 109,006 | | 2013 | 105,114 | | 2012 | 101,461 | | 2011 | 98,113 | | 2010 | 95,004 | | 2009 | 92,113 | | 2008 | 89,324 | | 2007 | 86,645 | | 2006 | 84,030 | | 2005 | 81,591 | | 2004 | 79,277 | | 2003 | 77,012 | | 2002 | 74,903 | | 2001 | 72,757 | | 2000 | 70,433 | | 1999 | 68,017 | | 1998 | 65,493 | | 1997 | 62,851 | | 1996 | 60,102 | | 1995 | 57,271 | | 1994 | 54,380 | | 1993 | 53,900 | | 1992 | 54,116 | | 1991 | 52,555 | | 1990 | 51,090 | | 1989 | 49,699 | | 1988 | 48,377 | | 1987 | 47,112 | | 1986 | 45,907 | | 1985 | 44,752 | | 1984 | 43,579 | | 1983 | 42,369 | | 1982 | 41,174 | | 1981 | 40,060 | | 1980 | 39,088 | | 1979 | 38,262 | | 1978 | 37,544 | | 1977 | 36,879 | | 1976 | 36,245 | | 1975 | 35,637 | | 1974 | 35,046 | | 1973 | 34,472 | | 1972 | 33,893 | | 1971 | 33,240 | | 1970 | 32,448 | | 1969 | 31,507 | | 1968 | 30,454 | | 1967 | 29,360 | | 1966 | 28,330 | | 1965 | 27,450 | | 1964 | 26,750 | | 1963 | 26,191 | | 1962 | 25,693 | | 1961 | 25,207 | | 1960 | 24,734 |
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