| Year | Value | | 2022 | 3,105,698 | | 2021 | 3,028,702 | | 2020 | 3,114,827 | | 2019 | 3,360,570 | | 2018 | 3,662,679 | | 2017 | 3,967,797 | | 2016 | 4,137,846 | | 2015 | 4,148,546 | | 2014 | 4,042,420 | | 2013 | 3,843,424 | | 2012 | 3,622,306 | | 2011 | 3,459,315 | | 2010 | 3,406,771 | | 2009 | 3,456,610 | | 2008 | 3,575,186 | | 2007 | 3,670,360 | | 2006 | 3,689,354 | | 2005 | 3,610,925 | | 2004 | 3,455,890 | | 2003 | 3,254,069 | | 2002 | 3,005,633 | | 2001 | 2,759,569 | | 2000 | 2,546,533 | | 1999 | 2,361,250 | | 1998 | 2,188,801 | | 1997 | 2,036,521 | | 1996 | 1,916,207 | | 1995 | 1,857,753 | | 1994 | 1,878,395 | | 1993 | 1,963,560 | | 1992 | 2,115,852 | | 1991 | 2,302,240 | | 1990 | 2,452,745 | | 1989 | 2,511,102 | | 1988 | 2,496,375 | | 1987 | 2,459,381 | | 1986 | 2,413,175 | | 1985 | 2,360,565 | | 1984 | 2,303,735 | | 1983 | 2,253,771 | | 1982 | 2,192,373 | | 1981 | 2,113,983 | | 1980 | 2,045,454 | | 1979 | 1,979,441 | | 1978 | 1,892,204 | | 1977 | 1,799,992 | | 1976 | 1,725,957 | | 1975 | 1,664,428 | | 1974 | 1,606,990 | | 1973 | 1,564,359 | | 1972 | 1,530,324 | | 1971 | 1,486,670 | | 1970 | 1,443,395 | | 1969 | 1,404,350 | | 1968 | 1,371,457 | | 1967 | 1,345,451 | | 1966 | 1,319,321 | | 1965 | 1,296,896 | | 1964 | 1,281,619 | | 1963 | 1,247,014 | | 1962 | 1,204,813 | | 1961 | 1,167,838 | | 1960 | 1,124,179 |
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