| Year | Value | | 2022 | 4,448,225 | | 2021 | 4,345,278 | | 2020 | 4,243,063 | | 2019 | 4,142,015 | | 2018 | 4,042,391 | | 2017 | 3,943,847 | | 2016 | 3,846,363 | | 2015 | 3,750,461 | | 2014 | 3,656,155 | | 2013 | 3,563,146 | | 2012 | 3,471,351 | | 2011 | 3,380,347 | | 2010 | 3,289,956 | | 2009 | 3,201,540 | | 2008 | 3,111,737 | | 2007 | 3,022,581 | | 2006 | 2,934,396 | | 2005 | 2,851,642 | | 2004 | 2,777,186 | | 2003 | 2,703,985 | | 2002 | 2,633,356 | | 2001 | 2,564,478 | | 2000 | 2,495,124 | | 1999 | 2,424,508 | | 1998 | 2,354,170 | | 1997 | 2,285,950 | | 1996 | 2,212,365 | | 1995 | 2,129,035 | | 1994 | 2,035,479 | | 1993 | 2,027,770 | | 1992 | 2,040,975 | | 1991 | 1,982,825 | | 1990 | 1,925,696 | | 1989 | 1,869,689 | | 1988 | 1,814,799 | | 1987 | 1,760,789 | | 1986 | 1,708,215 | | 1985 | 1,656,948 | | 1984 | 1,604,938 | | 1983 | 1,552,167 | | 1982 | 1,500,536 | | 1981 | 1,451,784 | | 1980 | 1,407,774 | | 1979 | 1,369,109 | | 1978 | 1,334,932 | | 1977 | 1,303,273 | | 1976 | 1,272,540 | | 1975 | 1,242,309 | | 1974 | 1,212,387 | | 1973 | 1,182,523 | | 1972 | 1,152,340 | | 1971 | 1,120,582 | | 1970 | 1,085,717 | | 1969 | 1,047,356 | | 1968 | 1,006,649 | | 1967 | 966,076 | | 1966 | 928,953 | | 1965 | 898,112 | | 1964 | 874,389 | | 1963 | 856,514 | | 1962 | 841,671 | | 1961 | 827,764 | | 1960 | 814,226 |
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