| Year | Value | | 2022 | 8,244,180 | | 2021 | 8,122,180 | | 2020 | 7,986,679 | | 2019 | 7,822,951 | | 2018 | 7,642,532 | | 2017 | 7,452,683 | | 2016 | 7,250,534 | | 2015 | 7,040,268 | | 2014 | 6,822,626 | | 2013 | 6,595,495 | | 2012 | 6,359,583 | | 2011 | 6,115,035 | | 2010 | 5,865,272 | | 2009 | 5,617,325 | | 2008 | 5,373,300 | | 2007 | 5,130,078 | | 2006 | 4,889,671 | | 2005 | 4,654,942 | | 2004 | 4,432,600 | | 2003 | 4,229,240 | | 2002 | 4,051,427 | | 2001 | 3,912,082 | | 2000 | 3,809,448 | | 1999 | 3,732,893 | | 1998 | 3,678,647 | | 1997 | 3,640,469 | | 1996 | 3,607,472 | | 1995 | 3,578,707 | | 1994 | 3,555,520 | | 1993 | 3,530,919 | | 1992 | 3,500,520 | | 1991 | 3,461,338 | | 1990 | 3,411,106 | | 1989 | 3,348,715 | | 1988 | 3,275,960 | | 1987 | 3,195,707 | | 1986 | 3,111,724 | | 1985 | 3,028,229 | | 1984 | 2,947,821 | | 1983 | 2,870,428 | | 1982 | 2,793,452 | | 1981 | 2,714,268 | | 1980 | 2,630,518 | | 1979 | 2,540,890 | | 1978 | 2,446,759 | | 1977 | 2,350,870 | | 1976 | 2,256,257 | | 1975 | 2,166,121 | | 1974 | 2,083,182 | | 1973 | 2,009,196 | | 1972 | 1,945,200 | | 1971 | 1,892,191 | | 1970 | 1,850,823 | | 1969 | 1,820,446 | | 1968 | 1,798,777 | | 1967 | 1,782,642 | | 1966 | 1,768,723 | | 1965 | 1,758,003 | | 1964 | 1,737,367 | | 1963 | 1,700,073 | | 1962 | 1,655,578 | | 1961 | 1,604,991 | | 1960 | 1,552,396 |
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