| Year | Value | | 2022 | 183,207 | | 2021 | 179,951 | | 2020 | 176,480 | | 2019 | 173,643 | | 2018 | 171,445 | | 2017 | 169,318 | | 2016 | 167,146 | | 2015 | 165,068 | | 2014 | 163,123 | | 2013 | 161,181 | | 2012 | 159,244 | | 2011 | 157,362 | | 2010 | 155,586 | | 2009 | 153,961 | | 2008 | 152,425 | | 2007 | 150,954 | | 2006 | 149,645 | | 2005 | 148,603 | | 2004 | 147,718 | | 2003 | 146,769 | | 2002 | 145,682 | | 2001 | 144,587 | | 2000 | 143,569 | | 1999 | 142,332 | | 1998 | 141,068 | | 1997 | 139,790 | | 1996 | 138,515 | | 1995 | 137,253 | | 1994 | 136,000 | | 1993 | 134,781 | | 1992 | 133,703 | | 1991 | 132,936 | | 1990 | 132,531 | | 1989 | 132,294 | | 1988 | 131,952 | | 1987 | 131,417 | | 1986 | 131,096 | | 1985 | 131,215 | | 1984 | 131,422 | | 1983 | 131,552 | | 1982 | 131,505 | | 1981 | 130,969 | | 1980 | 129,990 | | 1979 | 128,906 | | 1978 | 127,755 | | 1977 | 126,505 | | 1976 | 124,812 | | 1975 | 122,670 | | 1974 | 120,404 | | 1973 | 118,425 | | 1972 | 116,758 | | 1971 | 115,165 | | 1970 | 113,713 | | 1969 | 112,229 | | 1968 | 110,739 | | 1967 | 109,154 | | 1966 | 107,203 | | 1965 | 104,738 | | 1964 | 102,252 | | 1963 | 99,793 | | 1962 | 97,259 | | 1961 | 94,641 | | 1960 | 91,885 |
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