Year | Value | 2022 | 566,462 | 2021 | 557,487 | 2020 | 548,412 | 2019 | 540,791 | 2018 | 535,221 | 2017 | 530,119 | 2016 | 524,229 | 2015 | 517,836 | 2014 | 511,024 | 2013 | 502,777 | 2012 | 492,349 | 2011 | 480,830 | 2010 | 467,579 | 2009 | 450,296 | 2008 | 429,044 | 2007 | 405,341 | 2006 | 381,642 | 2005 | 359,606 | 2004 | 340,103 | 2003 | 323,741 | 2002 | 312,152 | 2001 | 305,059 | 2000 | 299,418 | 1999 | 293,779 | 1998 | 287,917 | 1997 | 275,198 | 1996 | 237,317 | 1995 | 197,958 | 1994 | 233,133 | 1993 | 274,666 | 1992 | 268,019 | 1991 | 265,770 | 1990 | 265,586 | 1989 | 266,374 | 1988 | 265,977 | 1987 | 261,656 | 1986 | 254,118 | 1985 | 246,063 | 1984 | 239,182 | 1983 | 232,883 | 1982 | 225,064 | 1981 | 216,014 | 1980 | 207,525 | 1979 | 199,892 | 1978 | 191,483 | 1977 | 181,951 | 1976 | 171,699 | 1975 | 160,246 | 1974 | 148,044 | 1973 | 137,132 | 1972 | 127,779 | 1971 | 119,262 | 1970 | 112,109 | 1969 | 106,260 | 1968 | 101,809 | 1967 | 98,728 | 1966 | 97,151 | 1965 | 97,190 | 1964 | 98,800 | 1963 | 101,817 | 1962 | 105,242 | 1961 | 107,965 | 1960 | 109,555 |
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