Year | Value | 2022 | 397,387 | 2021 | 401,071 | 2020 | 409,477 | 2019 | 423,118 | 2018 | 440,574 | 2017 | 458,254 | 2016 | 475,180 | 2015 | 490,289 | 2014 | 502,147 | 2013 | 512,181 | 2012 | 522,791 | 2011 | 527,797 | 2010 | 530,841 | 2009 | 537,560 | 2008 | 541,183 | 2007 | 540,067 | 2006 | 535,567 | 2005 | 528,827 | 2004 | 521,665 | 2003 | 515,750 | 2002 | 511,758 | 2001 | 509,080 | 2000 | 506,722 | 1999 | 502,635 | 1998 | 495,015 | 1997 | 483,614 | 1996 | 469,471 | 1995 | 455,238 | 1994 | 441,606 | 1993 | 429,866 | 1992 | 421,599 | 1991 | 415,607 | 1990 | 410,180 | 1989 | 403,887 | 1988 | 396,414 | 1987 | 387,977 | 1986 | 378,525 | 1985 | 368,126 | 1984 | 356,015 | 1983 | 344,291 | 1982 | 334,901 | 1981 | 326,206 | 1980 | 316,922 | 1979 | 306,562 | 1978 | 295,336 | 1977 | 283,338 | 1976 | 270,390 | 1975 | 256,238 | 1974 | 242,012 | 1973 | 228,002 | 1972 | 215,295 | 1971 | 205,489 | 1970 | 197,681 | 1969 | 191,232 | 1968 | 186,712 | 1967 | 183,336 | 1966 | 179,956 | 1965 | 176,702 | 1964 | 173,601 | 1963 | 170,522 | 1962 | 167,536 | 1961 | 165,469 | 1960 | 164,426 |
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