Year | Value | 2022 | 88,553 | 2021 | 89,645 | 2020 | 89,595 | 2019 | 89,409 | 2018 | 90,070 | 2017 | 91,315 | 2016 | 92,305 | 2015 | 92,213 | 2014 | 91,680 | 2013 | 90,538 | 2012 | 89,577 | 2011 | 89,352 | 2010 | 90,025 | 2009 | 92,044 | 2008 | 95,481 | 2007 | 99,822 | 2006 | 104,992 | 2005 | 111,023 | 2004 | 116,827 | 2003 | 121,269 | 2002 | 123,992 | 2001 | 124,580 | 2000 | 123,218 | 1999 | 120,796 | 1998 | 118,188 | 1997 | 116,021 | 1996 | 115,464 | 1995 | 116,547 | 1994 | 117,993 | 1993 | 117,087 | 1992 | 112,800 | 1991 | 104,237 | 1990 | 91,848 | 1989 | 79,012 | 1988 | 69,901 | 1987 | 66,654 | 1986 | 69,177 | 1985 | 75,046 | 1984 | 81,869 | 1983 | 88,151 | 1982 | 92,920 | 1981 | 95,755 | 1980 | 96,936 | 1979 | 96,735 | 1978 | 95,118 | 1977 | 92,570 | 1976 | 90,137 | 1975 | 88,595 | 1974 | 88,295 | 1973 | 88,990 | 1972 | 89,970 | 1971 | 90,649 | 1970 | 90,665 | 1969 | 89,882 | 1968 | 88,610 | 1967 | 87,052 | 1966 | 85,106 | 1965 | 82,605 | 1964 | 79,254 | 1963 | 74,552 | 1962 | 68,875 | 1961 | 63,295 | 1960 | 58,905 |
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