| Year | Value | | 2022 | 4,736,139 | | 2021 | 4,614,974 | | 2020 | 4,498,604 | | 2019 | 4,383,849 | | 2018 | 4,270,712 | | 2017 | 4,160,015 | | 2016 | 4,051,890 | | 2015 | 3,946,220 | | 2014 | 3,843,174 | | 2013 | 3,742,959 | | 2012 | 3,636,113 | | 2011 | 3,524,249 | | 2010 | 3,419,461 | | 2009 | 3,322,616 | | 2008 | 3,233,336 | | 2007 | 3,153,508 | | 2006 | 3,081,229 | | 2005 | 3,012,360 | | 2004 | 2,946,575 | | 2003 | 2,883,326 | | 2002 | 2,821,703 | | 2001 | 2,761,823 | | 2000 | 2,695,003 | | 1999 | 2,620,611 | | 1998 | 2,550,501 | | 1997 | 2,484,278 | | 1996 | 2,428,816 | | 1995 | 2,380,341 | | 1994 | 2,315,191 | | 1993 | 2,237,064 | | 1992 | 2,147,527 | | 1991 | 2,066,302 | | 1990 | 2,006,027 | | 1989 | 1,955,040 | | 1988 | 1,905,847 | | 1987 | 1,851,092 | | 1986 | 1,798,009 | | 1985 | 1,746,265 | | 1984 | 1,695,675 | | 1983 | 1,646,343 | | 1982 | 1,598,332 | | 1981 | 1,551,687 | | 1980 | 1,506,694 | | 1979 | 1,463,514 | | 1978 | 1,421,786 | | 1977 | 1,381,329 | | 1976 | 1,341,604 | | 1975 | 1,302,436 | | 1974 | 1,264,352 | | 1973 | 1,227,358 | | 1972 | 1,191,376 | | 1971 | 1,156,361 | | 1970 | 1,122,198 | | 1969 | 1,088,832 | | 1968 | 1,056,393 | | 1967 | 1,024,992 | | 1966 | 994,697 | | 1965 | 965,621 | | 1964 | 937,830 | | 1963 | 911,290 | | 1962 | 885,938 | | 1961 | 861,663 | | 1960 | 838,478 |
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