| Year | Value | | 2022 | 3,015,917 | | 2021 | 3,053,620 | | 2020 | 3,070,914 | | 2019 | 2,988,531 | | 2018 | 2,988,277 | | 2017 | 3,112,035 | | 2016 | 3,188,713 | | 2015 | 3,251,779 | | 2014 | 3,310,445 | | 2013 | 3,366,210 | | 2012 | 3,406,460 | | 2011 | 3,449,657 | | 2010 | 3,491,721 | | 2009 | 3,511,647 | | 2008 | 3,533,033 | | 2007 | 3,555,977 | | 2006 | 3,579,032 | | 2005 | 3,596,360 | | 2004 | 3,603,694 | | 2003 | 3,605,100 | | 2002 | 3,604,909 | | 2001 | 3,602,364 | | 2000 | 3,596,716 | | 1999 | 3,583,400 | | 1998 | 3,560,323 | | 1997 | 3,534,616 | | 1996 | 3,496,557 | | 1995 | 3,452,136 | | 1994 | 3,414,883 | | 1993 | 3,377,742 | | 1992 | 3,343,786 | | 1991 | 3,316,538 | | 1990 | 3,287,359 | | 1989 | 3,222,218 | | 1988 | 3,140,855 | | 1987 | 3,051,544 | | 1986 | 2,953,935 | | 1985 | 2,847,385 | | 1984 | 2,731,668 | | 1983 | 2,606,230 | | 1982 | 2,471,396 | | 1981 | 2,327,244 | | 1980 | 2,174,790 | | 1979 | 2,096,577 | | 1978 | 2,044,764 | | 1977 | 1,991,958 | | 1976 | 1,937,017 | | 1975 | 1,879,334 | | 1974 | 1,819,309 | | 1973 | 1,756,462 | | 1972 | 1,693,932 | | 1971 | 1,636,045 | | 1970 | 1,585,355 | | 1969 | 1,532,032 | | 1968 | 1,482,823 | | 1967 | 1,436,971 | | 1966 | 1,389,174 | | 1965 | 1,336,533 | | 1964 | 1,280,251 | | 1963 | 1,220,307 | | 1962 | 1,159,664 | | 1961 | 1,102,264 | | 1960 | 1,050,418 |
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