Year | Value | 2022 | 541,393 | 2021 | 533,870 | 2020 | 526,914 | 2019 | 521,229 | 2018 | 516,917 | 2017 | 512,280 | 2016 | 507,262 | 2015 | 501,947 | 2014 | 496,380 | 2013 | 490,579 | 2012 | 484,647 | 2011 | 478,549 | 2010 | 472,236 | 2009 | 465,636 | 2008 | 458,642 | 2007 | 451,176 | 2006 | 443,873 | 2005 | 436,333 | 2004 | 428,832 | 2003 | 421,300 | 2002 | 413,829 | 2001 | 406,358 | 2000 | 398,838 | 1999 | 391,249 | 1998 | 383,556 | 1997 | 375,993 | 1996 | 368,654 | 1995 | 360,440 | 1994 | 353,592 | 1993 | 346,718 | 1992 | 339,577 | 1991 | 332,620 | 1990 | 324,745 | 1989 | 315,611 | 1988 | 306,398 | 1987 | 296,832 | 1986 | 287,223 | 1985 | 280,240 | 1984 | 272,656 | 1983 | 265,098 | 1982 | 257,721 | 1981 | 250,504 | 1980 | 243,452 | 1979 | 236,570 | 1978 | 229,914 | 1977 | 223,649 | 1976 | 217,743 | 1975 | 211,441 | 1974 | 205,701 | 1973 | 200,218 | 1972 | 194,719 | 1971 | 189,091 | 1970 | 183,395 | 1969 | 177,682 | 1968 | 171,967 | 1967 | 166,216 | 1966 | 160,046 | 1965 | 152,813 | 1964 | 145,628 | 1963 | 138,608 | 1962 | 131,828 | 1961 | 125,388 | 1960 | 119,270 |
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