Year | Value | 2022 | 168,585 | 2021 | 162,418 | 2020 | 158,053 | 2019 | 154,486 | 2018 | 151,571 | 2017 | 149,308 | 2016 | 147,284 | 2015 | 145,204 | 2014 | 143,005 | 2013 | 140,441 | 2012 | 138,179 | 2011 | 136,239 | 2010 | 133,973 | 2009 | 131,672 | 2008 | 129,709 | 2007 | 127,605 | 2006 | 125,165 | 2005 | 123,095 | 2004 | 119,664 | 2003 | 116,823 | 2002 | 116,275 | 2001 | 116,063 | 2000 | 115,870 | 1999 | 115,334 | 1998 | 112,321 | 1997 | 106,257 | 1996 | 98,874 | 1995 | 91,505 | 1994 | 86,448 | 1993 | 82,819 | 1992 | 79,660 | 1991 | 78,335 | 1990 | 77,907 | 1989 | 76,828 | 1988 | 75,999 | 1987 | 75,811 | 1986 | 74,729 | 1985 | 73,867 | 1984 | 74,033 | 1983 | 74,152 | 1982 | 74,298 | 1981 | 74,493 | 1980 | 74,388 | 1979 | 74,280 | 1978 | 74,378 | 1977 | 74,970 | 1976 | 76,699 | 1975 | 79,075 | 1974 | 81,208 | 1973 | 82,087 | 1972 | 81,496 | 1971 | 80,676 | 1970 | 79,964 | 1969 | 79,513 | 1968 | 79,924 | 1967 | 81,801 | 1966 | 83,981 | 1965 | 86,062 | 1964 | 87,465 | 1963 | 87,583 | 1962 | 86,448 | 1961 | 83,481 | 1960 | 80,041 |
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