| Year | Value | | 2022 | 4,767,057 | | 2021 | 4,672,141 | | 2020 | 4,592,300 | | 2019 | 4,509,772 | | 2018 | 4,421,961 | | 2017 | 4,335,046 | | 2016 | 4,248,793 | | 2015 | 4,163,174 | | 2014 | 4,078,523 | | 2013 | 3,997,866 | | 2012 | 3,920,849 | | 2011 | 3,846,087 | | 2010 | 3,772,673 | | 2009 | 3,702,341 | | 2008 | 3,613,709 | | 2007 | 3,548,771 | | 2006 | 3,484,797 | | 2005 | 3,422,076 | | 2004 | 3,360,721 | | 2003 | 3,300,450 | | 2002 | 3,240,065 | | 2001 | 3,174,306 | | 2000 | 3,099,279 | | 1999 | 3,017,254 | | 1998 | 2,940,245 | | 1997 | 2,872,890 | | 1996 | 2,801,229 | | 1995 | 2,728,331 | | 1994 | 2,656,376 | | 1993 | 2,588,614 | | 1992 | 2,521,212 | | 1991 | 2,436,515 | | 1990 | 2,295,386 | | 1989 | 2,226,769 | | 1988 | 2,190,863 | | 1987 | 2,156,811 | | 1986 | 2,124,486 | | 1985 | 2,094,016 | | 1984 | 2,059,473 | | 1983 | 2,034,740 | | 1982 | 1,999,910 | | 1981 | 1,964,553 | | 1980 | 1,927,766 | | 1979 | 1,883,870 | | 1978 | 1,837,687 | | 1977 | 1,800,754 | | 1976 | 1,762,258 | | 1975 | 1,724,524 | | 1974 | 1,686,478 | | 1973 | 1,637,737 | | 1972 | 1,573,386 | | 1971 | 1,534,512 | | 1970 | 1,487,627 | | 1969 | 1,439,776 | | 1968 | 1,403,499 | | 1967 | 1,375,313 | | 1966 | 1,318,186 | | 1965 | 1,286,204 | | 1964 | 1,243,209 | | 1963 | 1,196,262 | | 1962 | 1,154,422 | | 1961 | 1,101,529 | | 1960 | 1,067,329 |
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