Year | Value | 2022 | 2,419,823 | 2021 | 2,451,860 | 2020 | 2,550,467 | 2019 | 2,686,835 | 2018 | 2,849,547 | 2017 | 3,015,920 | 2016 | 3,159,711 | 2015 | 3,261,533 | 2014 | 3,335,294 | 2013 | 3,394,802 | 2012 | 3,423,414 | 2011 | 3,423,888 | 2010 | 3,470,070 | 2009 | 3,429,686 | 2008 | 3,362,808 | 2007 | 3,279,625 | 2006 | 3,190,628 | 2005 | 3,101,521 | 2004 | 3,021,864 | 2003 | 2,957,045 | 2002 | 2,905,430 | 2001 | 2,862,968 | 2000 | 2,832,702 | 1999 | 2,803,239 | 1998 | 2,754,677 | 1997 | 2,681,663 | 1996 | 2,569,079 | 1995 | 2,407,500 | 1994 | 2,299,079 | 1993 | 2,288,691 | 1992 | 2,304,593 | 1991 | 2,407,505 | 1990 | 2,634,514 | 1989 | 2,832,563 | 1988 | 2,941,743 | 1987 | 3,026,177 | 1986 | 3,047,524 | 1985 | 2,985,487 | 1984 | 2,890,572 | 1983 | 2,756,598 | 1982 | 2,610,532 | 1981 | 2,490,084 | 1980 | 2,396,004 | 1979 | 2,335,547 | 1978 | 2,343,937 | 1977 | 2,398,061 | 1976 | 2,448,350 | 1975 | 2,498,983 | 1974 | 2,540,602 | 1973 | 2,568,116 | 1972 | 2,609,631 | 1971 | 2,680,125 | 1970 | 2,763,204 | 1969 | 2,772,976 | 1968 | 2,628,154 | 1967 | 2,395,925 | 1966 | 2,140,976 | 1965 | 1,927,193 | 1964 | 1,904,466 | 1963 | 2,107,767 | 1962 | 2,407,104 | 1961 | 2,690,881 | 1960 | 2,900,915 |
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