Year | Value | 2022 | 503,085 | 2021 | 500,816 | 2020 | 496,842 | 2019 | 489,697 | 2018 | 478,862 | 2017 | 464,293 | 2016 | 446,298 | 2015 | 425,531 | 2014 | 402,813 | 2013 | 379,163 | 2012 | 355,646 | 2011 | 332,997 | 2010 | 311,934 | 2009 | 292,202 | 2008 | 273,204 | 2007 | 254,751 | 2006 | 237,530 | 2005 | 222,666 | 2004 | 210,397 | 2003 | 201,686 | 2002 | 198,003 | 2001 | 198,131 | 2000 | 199,443 | 1999 | 201,561 | 1998 | 204,197 | 1997 | 205,559 | 1996 | 205,449 | 1995 | 205,015 | 1994 | 204,510 | 1993 | 203,138 | 1992 | 200,339 | 1991 | 196,520 | 1990 | 191,832 | 1989 | 185,795 | 1988 | 178,906 | 1987 | 172,385 | 1986 | 166,272 | 1985 | 160,346 | 1984 | 154,663 | 1983 | 146,531 | 1982 | 136,891 | 1981 | 129,401 | 1980 | 123,151 | 1979 | 117,111 | 1978 | 111,353 | 1977 | 105,457 | 1976 | 100,708 | 1975 | 96,974 | 1974 | 92,760 | 1973 | 88,645 | 1972 | 84,925 | 1971 | 81,931 | 1970 | 79,181 | 1969 | 76,376 | 1968 | 73,881 | 1967 | 71,756 | 1966 | 69,946 | 1965 | 67,957 | 1964 | 65,815 | 1963 | 63,882 | 1962 | 61,948 | 1961 | 59,910 | 1960 | 58,053 |
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