| Year | Value | | 2022 | 3,801,204 | | 2021 | 3,787,953 | | 2020 | 3,768,158 | | 2019 | 3,752,901 | | 2018 | 3,728,153 | | 2017 | 3,695,743 | | 2016 | 3,674,260 | | 2015 | 3,651,814 | | 2014 | 3,628,240 | | 2013 | 3,604,171 | | 2012 | 3,579,927 | | 2011 | 3,557,136 | | 2010 | 3,536,494 | | 2009 | 3,515,519 | | 2008 | 3,494,385 | | 2007 | 3,473,831 | | 2006 | 3,452,517 | | 2005 | 3,430,454 | | 2004 | 3,408,163 | | 2003 | 3,385,553 | | 2002 | 3,363,111 | | 2001 | 3,341,120 | | 2000 | 3,319,576 | | 1999 | 3,297,259 | | 1998 | 3,273,019 | | 1997 | 3,247,592 | | 1996 | 3,221,712 | | 1995 | 3,194,725 | | 1994 | 3,167,284 | | 1993 | 3,141,076 | | 1992 | 3,115,309 | | 1991 | 3,090,166 | | 1990 | 3,069,551 | | 1989 | 3,051,070 | | 1988 | 3,031,022 | | 1987 | 3,010,515 | | 1986 | 2,987,928 | | 1985 | 2,961,802 | | 1984 | 2,933,974 | | 1983 | 2,905,098 | | 1982 | 2,874,693 | | 1981 | 2,844,169 | | 1980 | 2,814,620 | | 1979 | 2,786,994 | | 1978 | 2,760,561 | | 1977 | 2,733,900 | | 1976 | 2,706,983 | | 1975 | 2,679,463 | | 1974 | 2,651,250 | | 1973 | 2,622,314 | | 1972 | 2,592,669 | | 1971 | 2,560,255 | | 1970 | 2,526,624 | | 1969 | 2,493,425 | | 1968 | 2,459,162 | | 1967 | 2,424,365 | | 1966 | 2,388,696 | | 1965 | 2,352,334 | | 1964 | 2,315,495 | | 1963 | 2,278,273 | | 1962 | 2,241,218 | | 1961 | 2,204,090 | | 1960 | 2,165,436 |
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