| Year | Value | | 2022 | 1,538,586 | | 2021 | 1,586,400 | | 2020 | 1,604,857 | | 2019 | 1,587,202 | | 2018 | 1,545,095 | | 2017 | 1,468,089 | | 2016 | 1,372,352 | | 2015 | 1,297,014 | | 2014 | 1,243,955 | | 2013 | 1,202,034 | | 2012 | 1,175,630 | | 2011 | 1,166,354 | | 2010 | 1,162,939 | | 2009 | 1,151,338 | | 2008 | 1,129,411 | | 2007 | 1,105,641 | | 2006 | 1,087,774 | | 2005 | 1,075,888 | | 2004 | 1,068,330 | | 2003 | 1,065,919 | | 2002 | 1,064,178 | | 2001 | 1,060,315 | | 2000 | 1,056,768 | | 1999 | 1,055,162 | | 1998 | 1,055,918 | | 1997 | 1,061,539 | | 1996 | 1,074,305 | | 1995 | 1,091,712 | | 1994 | 1,097,184 | | 1993 | 1,073,997 | | 1992 | 1,029,714 | | 1991 | 980,324 | | 1990 | 934,393 | | 1989 | 912,146 | | 1988 | 932,101 | | 1987 | 973,410 | | 1986 | 1,004,553 | | 1985 | 1,018,388 | | 1984 | 1,019,141 | | 1983 | 1,013,860 | | 1982 | 1,008,618 | | 1981 | 1,003,244 | | 1980 | 994,386 | | 1979 | 981,352 | | 1978 | 965,638 | | 1977 | 947,040 | | 1976 | 927,400 | | 1975 | 906,422 | | 1974 | 882,347 | | 1973 | 854,476 | | 1972 | 823,468 | | 1971 | 791,418 | | 1970 | 761,275 | | 1969 | 737,862 | | 1968 | 722,194 | | 1967 | 711,891 | | 1966 | 704,880 | | 1965 | 699,080 | | 1964 | 692,390 | | 1963 | 687,955 | | 1962 | 684,431 | | 1961 | 679,236 | | 1960 | 675,127 |
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