Year | Value | 2022 | 486,071 | 2021 | 472,359 | 2020 | 459,452 | 2019 | 445,621 | 2018 | 431,381 | 2017 | 418,175 | 2016 | 405,732 | 2015 | 393,784 | 2014 | 382,014 | 2013 | 369,825 | 2012 | 357,434 | 2011 | 345,277 | 2010 | 331,970 | 2009 | 317,040 | 2008 | 303,500 | 2007 | 292,462 | 2006 | 284,462 | 2005 | 280,229 | 2004 | 278,201 | 2003 | 277,227 | 2002 | 276,141 | 2001 | 273,567 | 2000 | 269,910 | 1999 | 265,047 | 1998 | 259,446 | 1997 | 254,863 | 1996 | 251,231 | 1995 | 248,702 | 1994 | 247,097 | 1993 | 245,655 | 1992 | 243,769 | 1991 | 240,775 | 1990 | 236,349 | 1989 | 231,515 | 1988 | 226,577 | 1987 | 221,590 | 1986 | 216,131 | 1985 | 209,697 | 1984 | 202,584 | 1983 | 195,552 | 1982 | 188,041 | 1981 | 180,772 | 1980 | 176,165 | 1979 | 174,592 | 1978 | 174,569 | 1977 | 175,907 | 1976 | 177,926 | 1975 | 178,878 | 1974 | 178,103 | 1973 | 176,075 | 1972 | 173,477 | 1971 | 170,740 | 1970 | 167,786 | 1969 | 164,646 | 1968 | 161,809 | 1967 | 159,267 | 1966 | 156,706 | 1965 | 154,824 | 1964 | 153,527 | 1963 | 152,016 | 1962 | 150,193 | 1961 | 148,072 | 1960 | 145,191 |
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