| Year | Value | | 2022 | 1,491,069 | | 2021 | 1,424,470 | | 2020 | 1,373,130 | | 2019 | 1,328,283 | | 2018 | 1,287,615 | | 2017 | 1,255,348 | | 2016 | 1,228,964 | | 2015 | 1,203,386 | | 2014 | 1,180,825 | | 2013 | 1,162,922 | | 2012 | 1,145,097 | | 2011 | 1,127,912 | | 2010 | 1,110,794 | | 2009 | 1,090,014 | | 2008 | 1,064,022 | | 2007 | 1,035,129 | | 2006 | 1,005,193 | | 2005 | 975,022 | | 2004 | 943,766 | | 2003 | 910,931 | | 2002 | 877,214 | | 2001 | 843,828 | | 2000 | 812,196 | | 1999 | 782,413 | | 1998 | 754,881 | | 1997 | 721,550 | | 1996 | 681,698 | | 1995 | 650,647 | | 1994 | 628,484 | | 1993 | 607,956 | | 1992 | 589,725 | | 1991 | 573,193 | | 1990 | 558,201 | | 1989 | 540,619 | | 1988 | 526,666 | | 1987 | 513,785 | | 1986 | 499,641 | | 1985 | 486,023 | | 1984 | 473,641 | | 1983 | 461,582 | | 1982 | 449,602 | | 1981 | 437,790 | | 1980 | 425,453 | | 1979 | 411,972 | | 1978 | 399,623 | | 1977 | 388,517 | | 1976 | 375,777 | | 1975 | 363,998 | | 1974 | 355,228 | | 1973 | 347,265 | | 1972 | 339,283 | | 1971 | 331,259 | | 1970 | 323,373 | | 1969 | 315,735 | | 1968 | 308,107 | | 1967 | 300,609 | | 1966 | 293,661 | | 1965 | 284,720 | | 1964 | 274,349 | | 1963 | 265,952 | | 1962 | 258,997 | | 1961 | 252,486 | | 1960 | 246,996 |
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