| Year | Value | | 2022 | 5,180,829 | | 2021 | 5,153,957 | | 2020 | 5,123,105 | | 2019 | 5,084,532 | | 2018 | 5,040,734 | | 2017 | 4,993,842 | | 2016 | 4,945,205 | | 2015 | 4,895,242 | | 2014 | 4,844,288 | | 2013 | 4,791,535 | | 2012 | 4,736,593 | | 2011 | 4,679,926 | | 2010 | 4,622,252 | | 2009 | 4,563,127 | | 2008 | 4,501,921 | | 2007 | 4,440,019 | | 2006 | 4,378,172 | | 2005 | 4,315,887 | | 2004 | 4,252,800 | | 2003 | 4,188,610 | | 2002 | 4,122,623 | | 2001 | 4,053,222 | | 2000 | 3,979,193 | | 1999 | 3,901,430 | | 1998 | 3,821,421 | | 1997 | 3,739,421 | | 1996 | 3,656,234 | | 1995 | 3,572,856 | | 1994 | 3,489,152 | | 1993 | 3,405,372 | | 1992 | 3,321,939 | | 1991 | 3,239,414 | | 1990 | 3,158,253 | | 1989 | 3,079,001 | | 1988 | 3,001,461 | | 1987 | 2,924,595 | | 1986 | 2,847,849 | | 1985 | 2,771,463 | | 1984 | 2,696,200 | | 1983 | 2,622,532 | | 1982 | 2,550,780 | | 1981 | 2,481,334 | | 1980 | 2,414,303 | | 1979 | 2,349,258 | | 1978 | 2,286,210 | | 1977 | 2,225,630 | | 1976 | 2,167,544 | | 1975 | 2,111,850 | | 1974 | 2,058,235 | | 1973 | 2,006,247 | | 1972 | 1,955,547 | | 1971 | 1,905,486 | | 1970 | 1,855,697 | | 1969 | 1,805,968 | | 1968 | 1,756,333 | | 1967 | 1,706,062 | | 1966 | 1,654,619 | | 1965 | 1,602,736 | | 1964 | 1,550,661 | | 1963 | 1,498,647 | | 1962 | 1,447,037 | | 1961 | 1,396,138 | | 1960 | 1,346,302 |
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