| Year | Value | | 2022 | 133,887 | | 2021 | 134,596 | | 2020 | 135,108 | | 2019 | 135,381 | | 2018 | 135,589 | | 2017 | 135,652 | | 2016 | 135,598 | | 2015 | 135,460 | | 2014 | 134,962 | | 2013 | 132,901 | | 2012 | 130,696 | | 2011 | 128,491 | | 2010 | 126,309 | | 2009 | 124,466 | | 2008 | 122,807 | | 2007 | 120,949 | | 2006 | 119,089 | | 2005 | 117,133 | | 2004 | 115,295 | | 2003 | 113,696 | | 2002 | 111,946 | | 2001 | 110,022 | | 2000 | 108,137 | | 1999 | 106,292 | | 1998 | 104,491 | | 1997 | 102,718 | | 1996 | 100,848 | | 1995 | 98,944 | | 1994 | 96,738 | | 1993 | 94,197 | | 1992 | 91,795 | | 1991 | 89,525 | | 1990 | 87,249 | | 1989 | 85,197 | | 1988 | 83,540 | | 1987 | 81,974 | | 1986 | 80,422 | | 1985 | 78,999 | | 1984 | 77,639 | | 1983 | 76,235 | | 1982 | 74,839 | | 1981 | 73,445 | | 1980 | 72,291 | | 1979 | 71,680 | | 1978 | 71,360 | | 1977 | 70,771 | | 1976 | 69,876 | | 1975 | 69,190 | | 1974 | 68,485 | | 1973 | 67,252 | | 1972 | 65,758 | | 1971 | 62,953 | | 1970 | 58,830 | | 1969 | 54,678 | | 1968 | 52,361 | | 1967 | 50,857 | | 1966 | 49,360 | | 1965 | 47,860 | | 1964 | 46,673 | | 1963 | 45,461 | | 1962 | 44,260 | | 1961 | 43,092 | | 1960 | 41,916 |
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