Year | Value | 2022 | 449,954 | 2021 | 463,379 | 2020 | 475,178 | 2019 | 484,409 | 2018 | 492,858 | 2017 | 502,245 | 2016 | 512,115 | 2015 | 521,071 | 2014 | 528,373 | 2013 | 532,187 | 2012 | 530,944 | 2011 | 523,165 | 2010 | 512,079 | 2009 | 502,543 | 2008 | 494,311 | 2007 | 487,928 | 2006 | 482,892 | 2005 | 478,283 | 2004 | 472,463 | 2003 | 463,859 | 2002 | 452,400 | 2001 | 439,406 | 2000 | 427,615 | 1999 | 418,425 | 1998 | 411,884 | 1997 | 407,794 | 1996 | 405,247 | 1995 | 402,773 | 1994 | 398,380 | 1993 | 391,929 | 1992 | 384,200 | 1991 | 374,912 | 1990 | 364,074 | 1989 | 352,380 | 1988 | 340,049 | 1987 | 326,926 | 1986 | 313,435 | 1985 | 299,444 | 1984 | 284,166 | 1983 | 269,265 | 1982 | 256,194 | 1981 | 243,903 | 1980 | 232,712 | 1979 | 223,129 | 1978 | 214,356 | 1977 | 207,143 | 1976 | 202,322 | 1975 | 198,128 | 1974 | 194,087 | 1973 | 191,256 | 1972 | 188,292 | 1971 | 183,821 | 1970 | 178,455 | 1969 | 172,634 | 1968 | 166,451 | 1967 | 160,674 | 1966 | 156,341 | 1965 | 153,114 | 1964 | 150,728 | 1963 | 149,707 | 1962 | 149,661 | 1961 | 149,493 | 1960 | 148,635 |
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