| Year | Value | | 2022 | 5,471,442 | | 2021 | 5,321,781 | | 2020 | 5,166,142 | | 2019 | 4,999,871 | | 2018 | 4,829,647 | | 2017 | 4,664,108 | | 2016 | 4,506,354 | | 2015 | 4,356,303 | | 2014 | 4,211,042 | | 2013 | 4,054,779 | | 2012 | 3,880,662 | | 2011 | 3,697,440 | | 2010 | 3,508,303 | | 2009 | 3,323,368 | | 2008 | 3,165,698 | | 2007 | 3,042,831 | | 2006 | 2,943,904 | | 2005 | 2,862,900 | | 2004 | 2,792,020 | | 2003 | 2,724,040 | | 2002 | 2,654,515 | | 2001 | 2,582,659 | | 2000 | 2,511,341 | | 1999 | 2,442,260 | | 1998 | 2,378,375 | | 1997 | 2,321,895 | | 1996 | 2,270,407 | | 1995 | 2,221,616 | | 1994 | 2,173,183 | | 1993 | 2,121,485 | | 1992 | 2,064,758 | | 1991 | 2,003,007 | | 1990 | 1,937,803 | | 1989 | 1,869,882 | | 1988 | 1,799,224 | | 1987 | 1,726,447 | | 1986 | 1,652,988 | | 1985 | 1,580,184 | | 1984 | 1,508,757 | | 1983 | 1,440,553 | | 1982 | 1,378,495 | | 1981 | 1,324,644 | | 1980 | 1,279,237 | | 1979 | 1,240,645 | | 1978 | 1,206,340 | | 1977 | 1,174,182 | | 1976 | 1,142,677 | | 1975 | 1,110,113 | | 1974 | 1,075,048 | | 1973 | 1,037,781 | | 1972 | 999,395 | | 1971 | 960,432 | | 1970 | 921,887 | | 1969 | 885,585 | | 1968 | 852,658 | | 1967 | 822,988 | | 1966 | 796,044 | | 1965 | 770,515 | | 1964 | 744,637 | | 1963 | 718,043 | | 1962 | 691,014 | | 1961 | 662,644 | | 1960 | 633,051 |
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