Year | Value | 2022 | 508,497 | 2021 | 501,068 | 2020 | 492,946 | 2019 | 481,260 | 2018 | 466,679 | 2017 | 449,211 | 2016 | 429,282 | 2015 | 409,856 | 2014 | 391,657 | 2013 | 375,189 | 2012 | 360,360 | 2011 | 346,753 | 2010 | 334,241 | 2009 | 322,771 | 2008 | 312,154 | 2007 | 302,239 | 2006 | 292,781 | 2005 | 283,757 | 2004 | 274,955 | 2003 | 266,237 | 2002 | 257,736 | 2001 | 249,312 | 2000 | 240,832 | 1999 | 233,162 | 1998 | 225,938 | 1997 | 218,225 | 1996 | 211,107 | 1995 | 205,390 | 1994 | 199,799 | 1993 | 193,624 | 1992 | 187,657 | 1991 | 178,769 | 1990 | 169,890 | 1989 | 164,213 | 1988 | 158,011 | 1987 | 151,482 | 1986 | 146,837 | 1985 | 143,980 | 1984 | 141,952 | 1983 | 140,665 | 1982 | 138,202 | 1981 | 133,438 | 1980 | 130,726 | 1979 | 130,787 | 1978 | 130,021 | 1977 | 129,051 | 1976 | 126,848 | 1975 | 122,819 | 1974 | 117,918 | 1973 | 111,196 | 1972 | 103,280 | 1971 | 95,927 | 1970 | 90,146 | 1969 | 86,001 | 1968 | 83,577 | 1967 | 82,707 | 1966 | 82,381 | 1965 | 81,547 | 1964 | 80,226 | 1963 | 78,761 | 1962 | 77,017 | 1961 | 75,361 | 1960 | 73,989 |
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