| Year | Value | | 2022 | 4,565,651 | | 2021 | 4,506,374 | | 2020 | 4,463,566 | | 2019 | 4,418,218 | | 2018 | 4,368,945 | | 2017 | 4,320,306 | | 2016 | 4,265,348 | | 2015 | 4,207,493 | | 2014 | 4,145,335 | | 2013 | 4,078,226 | | 2012 | 4,008,535 | | 2011 | 3,935,476 | | 2010 | 3,867,496 | | 2009 | 3,805,760 | | 2008 | 3,744,286 | | 2007 | 3,684,159 | | 2006 | 3,632,998 | | 2005 | 3,591,141 | | 2004 | 3,554,092 | | 2003 | 3,518,773 | | 2002 | 3,482,266 | | 2001 | 3,447,513 | | 2000 | 3,414,033 | | 1999 | 3,371,823 | | 1998 | 3,324,794 | | 1997 | 3,280,785 | | 1996 | 3,244,905 | | 1995 | 3,216,511 | | 1994 | 3,185,372 | | 1993 | 3,150,384 | | 1992 | 3,114,713 | | 1991 | 3,079,741 | | 1990 | 3,051,994 | | 1989 | 3,036,098 | | 1988 | 3,018,161 | | 1987 | 2,996,568 | | 1986 | 2,977,158 | | 1985 | 2,961,159 | | 1984 | 2,946,922 | | 1983 | 2,933,210 | | 1982 | 2,918,125 | | 1981 | 2,902,056 | | 1980 | 2,882,201 | | 1979 | 2,854,061 | | 1978 | 2,825,403 | | 1977 | 2,795,553 | | 1976 | 2,764,638 | | 1975 | 2,732,467 | | 1974 | 2,698,139 | | 1973 | 2,662,165 | | 1972 | 2,624,297 | | 1971 | 2,584,983 | | 1970 | 2,534,594 | | 1969 | 2,457,954 | | 1968 | 2,379,197 | | 1967 | 2,299,864 | | 1966 | 2,220,995 | | 1965 | 2,143,353 | | 1964 | 2,066,761 | | 1963 | 1,991,003 | | 1962 | 1,915,999 | | 1961 | 1,840,926 | | 1960 | 1,787,755 |
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