Year | Value | 2022 | 487,186 | 2021 | 487,494 | 2020 | 487,151 | 2019 | 488,011 | 2018 | 490,528 | 2017 | 492,021 | 2016 | 491,355 | 2015 | 489,127 | 2014 | 485,426 | 2013 | 480,100 | 2012 | 473,505 | 2011 | 466,289 | 2010 | 458,984 | 2009 | 452,352 | 2008 | 447,099 | 2007 | 442,686 | 2006 | 438,512 | 2005 | 434,654 | 2004 | 430,651 | 2003 | 426,087 | 2002 | 421,702 | 2001 | 417,604 | 2000 | 413,075 | 1999 | 408,202 | 1998 | 403,544 | 1997 | 398,873 | 1996 | 393,743 | 1995 | 388,409 | 1994 | 382,902 | 1993 | 377,070 | 1992 | 371,500 | 1991 | 366,532 | 1990 | 361,418 | 1989 | 355,948 | 1988 | 350,173 | 1987 | 343,572 | 1986 | 336,012 | 1985 | 327,996 | 1984 | 319,643 | 1983 | 310,789 | 1982 | 301,515 | 1981 | 291,829 | 1980 | 281,710 | 1979 | 271,837 | 1978 | 262,222 | 1977 | 252,269 | 1976 | 242,115 | 1975 | 231,968 | 1974 | 222,092 | 1973 | 213,230 | 1972 | 205,274 | 1971 | 197,358 | 1970 | 188,779 | 1969 | 179,818 | 1968 | 170,997 | 1967 | 162,836 | 1966 | 156,339 | 1965 | 151,856 | 1964 | 148,784 | 1963 | 146,567 | 1962 | 145,034 | 1961 | 143,457 | 1960 | 141,372 |
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