| Year | Value | | 2022 | 4,962,262 | | 2021 | 4,896,604 | | 2020 | 4,829,156 | | 2019 | 4,760,552 | | 2018 | 4,691,053 | | 2017 | 4,620,428 | | 2016 | 4,548,699 | | 2015 | 4,476,464 | | 2014 | 4,403,714 | | 2013 | 4,330,465 | | 2012 | 4,256,694 | | 2011 | 4,182,017 | | 2010 | 4,105,241 | | 2009 | 4,027,422 | | 2008 | 3,945,863 | | 2007 | 3,863,409 | | 2006 | 3,780,132 | | 2005 | 3,701,972 | | 2004 | 3,632,752 | | 2003 | 3,563,495 | | 2002 | 3,495,903 | | 2001 | 3,429,118 | | 2000 | 3,360,041 | | 1999 | 3,287,807 | | 1998 | 3,214,485 | | 1997 | 3,142,406 | | 1996 | 3,061,479 | | 1995 | 2,965,525 | | 1994 | 2,853,574 | | 1993 | 2,861,074 | | 1992 | 2,897,964 | | 1991 | 2,832,853 | | 1990 | 2,767,853 | | 1989 | 2,703,209 | | 1988 | 2,638,938 | | 1987 | 2,574,964 | | 1986 | 2,512,116 | | 1985 | 2,450,265 | | 1984 | 2,386,398 | | 1983 | 2,320,651 | | 1982 | 2,255,686 | | 1981 | 2,193,814 | | 1980 | 2,138,147 | | 1979 | 2,090,038 | | 1978 | 2,048,115 | | 1977 | 2,009,509 | | 1976 | 1,971,760 | | 1975 | 1,934,311 | | 1974 | 1,896,780 | | 1973 | 1,858,740 | | 1972 | 1,819,604 | | 1971 | 1,777,448 | | 1970 | 1,729,780 | | 1969 | 1,694,311 | | 1968 | 1,657,516 | | 1967 | 1,617,126 | | 1966 | 1,578,912 | | 1965 | 1,548,247 | | 1964 | 1,527,193 | | 1963 | 1,514,209 | | 1962 | 1,504,683 | | 1961 | 1,495,129 | | 1960 | 1,484,612 |
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