| Year | Value | | 2022 | 1,582,315 | | 2021 | 1,626,409 | | 2020 | 1,665,015 | | 2019 | 1,697,962 | | 2018 | 1,727,059 | | 2017 | 1,753,354 | | 2016 | 1,777,145 | | 2015 | 1,797,761 | | 2014 | 1,812,185 | | 2013 | 1,817,972 | | 2012 | 1,814,498 | | 2011 | 1,801,205 | | 2010 | 1,777,918 | | 2009 | 1,745,042 | | 2008 | 1,703,832 | | 2007 | 1,655,924 | | 2006 | 1,603,405 | | 2005 | 1,553,350 | | 2004 | 1,505,460 | | 2003 | 1,457,766 | | 2002 | 1,414,439 | | 2001 | 1,374,625 | | 2000 | 1,336,310 | | 1999 | 1,298,728 | | 1998 | 1,262,796 | | 1997 | 1,224,139 | | 1996 | 1,182,766 | | 1995 | 1,147,357 | | 1994 | 1,117,564 | | 1993 | 1,087,988 | | 1992 | 1,056,912 | | 1991 | 1,023,523 | | 1990 | 988,467 | | 1989 | 953,499 | | 1988 | 920,208 | | 1987 | 889,819 | | 1986 | 859,027 | | 1985 | 826,504 | | 1984 | 794,438 | | 1983 | 762,055 | | 1982 | 728,674 | | 1981 | 694,386 | | 1980 | 659,778 | | 1979 | 625,452 | | 1978 | 592,013 | | 1977 | 560,532 | | 1976 | 527,026 | | 1975 | 492,836 | | 1974 | 468,883 | | 1973 | 453,894 | | 1972 | 441,617 | | 1971 | 432,102 | | 1970 | 425,578 | | 1969 | 421,240 | | 1968 | 418,212 | | 1967 | 416,806 | | 1966 | 416,972 | | 1965 | 417,563 | | 1964 | 416,595 | | 1963 | 413,147 | | 1962 | 407,810 | | 1961 | 402,016 | | 1960 | 398,087 |
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