Year | Value | 2022 | 773,756 | 2021 | 739,892 | 2020 | 703,124 | 2019 | 668,782 | 2018 | 640,099 | 2017 | 615,017 | 2016 | 591,932 | 2015 | 571,732 | 2014 | 554,983 | 2013 | 542,100 | 2012 | 535,693 | 2011 | 541,717 | 2010 | 559,783 | 2009 | 582,916 | 2008 | 608,487 | 2007 | 632,852 | 2006 | 648,109 | 2005 | 656,771 | 2004 | 658,774 | 2003 | 647,512 | 2002 | 628,909 | 2001 | 608,539 | 2000 | 590,335 | 1999 | 574,500 | 1998 | 556,144 | 1997 | 533,987 | 1996 | 509,803 | 1995 | 485,058 | 1994 | 466,669 | 1993 | 457,880 | 1992 | 454,350 | 1991 | 442,851 | 1990 | 423,731 | 1989 | 406,275 | 1988 | 397,024 | 1987 | 396,943 | 1986 | 387,460 | 1985 | 368,973 | 1984 | 352,033 | 1983 | 340,848 | 1982 | 326,635 | 1981 | 307,668 | 1980 | 253,488 | 1979 | 211,789 | 1978 | 232,022 | 1977 | 253,689 | 1976 | 259,546 | 1975 | 258,598 | 1974 | 255,154 | 1973 | 244,713 | 1972 | 230,458 | 1971 | 218,237 | 1970 | 207,339 | 1969 | 196,032 | 1968 | 189,435 | 1967 | 187,373 | 1966 | 183,577 | 1965 | 178,745 | 1964 | 173,359 | 1963 | 167,583 | 1962 | 161,750 | 1961 | 156,305 | 1960 | 151,326 |
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