| Year | Value | | 2022 | 4,210,225 | | 2021 | 4,148,548 | | 2020 | 4,086,609 | | 2019 | 4,017,866 | | 2018 | 3,938,647 | | 2017 | 3,850,548 | | 2016 | 3,754,877 | | 2015 | 3,656,032 | | 2014 | 3,558,076 | | 2013 | 3,460,816 | | 2012 | 3,364,643 | | 2011 | 3,270,944 | | 2010 | 3,176,741 | | 2009 | 3,083,220 | | 2008 | 2,991,178 | | 2007 | 2,895,893 | | 2006 | 2,797,179 | | 2005 | 2,697,042 | | 2004 | 2,595,408 | | 2003 | 2,494,910 | | 2002 | 2,398,491 | | 2001 | 2,305,041 | | 2000 | 2,213,946 | | 1999 | 2,124,151 | | 1998 | 2,035,603 | | 1997 | 1,950,451 | | 1996 | 1,869,038 | | 1995 | 1,789,156 | | 1994 | 1,713,638 | | 1993 | 1,644,972 | | 1992 | 1,581,645 | | 1991 | 1,524,618 | | 1990 | 1,476,528 | | 1989 | 1,441,833 | | 1988 | 1,416,090 | | 1987 | 1,391,829 | | 1986 | 1,366,290 | | 1985 | 1,335,726 | | 1984 | 1,300,377 | | 1983 | 1,263,394 | | 1982 | 1,226,556 | | 1981 | 1,190,692 | | 1980 | 1,155,001 | | 1979 | 1,118,812 | | 1978 | 1,083,956 | | 1977 | 1,051,245 | | 1976 | 1,019,626 | | 1975 | 988,108 | | 1974 | 956,759 | | 1973 | 925,455 | | 1972 | 893,480 | | 1971 | 860,545 | | 1970 | 825,905 | | 1969 | 789,514 | | 1968 | 752,907 | | 1967 | 718,528 | | 1966 | 689,160 | | 1965 | 666,339 | | 1964 | 649,374 | | 1963 | 636,543 | | 1962 | 626,609 | | 1961 | 618,614 | | 1960 | 611,246 |
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