Year | Value | 2022 | 491,741 | 2021 | 445,109 | 2020 | 405,390 | 2019 | 370,139 | 2018 | 355,255 | 2017 | 382,985 | 2016 | 434,058 | 2015 | 464,664 | 2014 | 489,953 | 2013 | 500,463 | 2012 | 475,287 | 2011 | 445,410 | 2010 | 412,047 | 2009 | 382,612 | 2008 | 365,020 | 2007 | 352,392 | 2006 | 337,743 | 2005 | 319,861 | 2004 | 302,267 | 2003 | 287,721 | 2002 | 276,369 | 2001 | 266,575 | 2000 | 256,533 | 1999 | 246,474 | 1998 | 240,114 | 1997 | 235,682 | 1996 | 230,856 | 1995 | 226,894 | 1994 | 220,322 | 1993 | 214,714 | 1992 | 212,159 | 1991 | 207,752 | 1990 | 202,034 | 1989 | 200,645 | 1988 | 202,301 | 1987 | 203,353 | 1986 | 202,624 | 1985 | 199,955 | 1984 | 197,284 | 1983 | 194,116 | 1982 | 190,039 | 1981 | 185,262 | 1980 | 180,162 | 1979 | 174,776 | 1978 | 169,082 | 1977 | 162,999 | 1976 | 156,518 | 1975 | 149,713 | 1974 | 143,775 | 1973 | 139,508 | 1972 | 137,476 | 1971 | 137,593 | 1970 | 139,662 | 1969 | 142,341 | 1968 | 143,680 | 1967 | 143,829 | 1966 | 143,226 | 1965 | 141,800 | 1964 | 139,152 | 1963 | 136,747 | 1962 | 134,880 | 1961 | 132,853 | 1960 | 130,995 |
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