Year | Value | 2022 | 647,607 | 2021 | 632,939 | 2020 | 619,284 | 2019 | 607,038 | 2018 | 594,629 | 2017 | 581,349 | 2016 | 567,361 | 2015 | 552,982 | 2014 | 538,242 | 2013 | 522,055 | 2012 | 507,558 | 2011 | 491,888 | 2010 | 472,220 | 2009 | 452,327 | 2008 | 432,501 | 2007 | 412,706 | 2006 | 393,080 | 2005 | 373,842 | 2004 | 355,041 | 2003 | 337,084 | 2002 | 320,153 | 2001 | 304,294 | 2000 | 289,897 | 1999 | 277,019 | 1998 | 265,702 | 1997 | 256,827 | 1996 | 250,617 | 1995 | 246,022 | 1994 | 242,274 | 1993 | 239,170 | 1992 | 236,734 | 1991 | 235,070 | 1990 | 233,715 | 1989 | 232,723 | 1988 | 232,879 | 1987 | 233,850 | 1986 | 234,651 | 1985 | 234,516 | 1984 | 232,697 | 1983 | 229,717 | 1982 | 226,613 | 1981 | 222,980 | 1980 | 218,594 | 1979 | 215,128 | 1978 | 212,885 | 1977 | 210,737 | 1976 | 209,217 | 1975 | 207,750 | 1974 | 204,093 | 1973 | 198,029 | 1972 | 191,126 | 1971 | 184,564 | 1970 | 178,888 | 1969 | 174,891 | 1968 | 172,684 | 1967 | 171,320 | 1966 | 170,357 | 1965 | 169,448 | 1964 | 168,625 | 1963 | 167,950 | 1962 | 167,284 | 1961 | 166,688 | 1960 | 166,213 |
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