| Year | Value | | 2022 | 5,008,732 | | 2021 | 4,906,143 | | 2020 | 4,801,489 | | 2019 | 4,696,898 | | 2018 | 4,590,127 | | 2017 | 4,486,281 | | 2016 | 4,383,379 | | 2015 | 4,279,505 | | 2014 | 4,176,922 | | 2013 | 4,077,789 | | 2012 | 3,982,893 | | 2011 | 3,892,015 | | 2010 | 3,804,994 | | 2009 | 3,722,239 | | 2008 | 3,643,840 | | 2007 | 3,569,645 | | 2006 | 3,498,489 | | 2005 | 3,429,032 | | 2004 | 3,360,112 | | 2003 | 3,291,092 | | 2002 | 3,221,269 | | 2001 | 3,150,466 | | 2000 | 3,079,596 | | 1999 | 3,040,596 | | 1998 | 3,030,353 | | 1997 | 3,014,881 | | 1996 | 2,974,898 | | 1995 | 2,912,932 | | 1994 | 2,855,095 | | 1993 | 2,813,432 | | 1992 | 2,784,423 | | 1991 | 2,732,863 | | 1990 | 2,660,318 | | 1989 | 2,580,876 | | 1988 | 2,503,655 | | 1987 | 2,438,671 | | 1986 | 2,376,430 | | 1985 | 2,318,320 | | 1984 | 2,257,269 | | 1983 | 2,192,068 | | 1982 | 2,129,551 | | 1981 | 2,069,260 | | 1980 | 2,010,688 | | 1979 | 1,952,924 | | 1978 | 1,894,544 | | 1977 | 1,835,909 | | 1976 | 1,778,682 | | 1975 | 1,723,462 | | 1974 | 1,670,384 | | 1973 | 1,619,438 | | 1972 | 1,570,265 | | 1971 | 1,522,506 | | 1970 | 1,475,598 | | 1969 | 1,428,655 | | 1968 | 1,381,681 | | 1967 | 1,335,586 | | 1966 | 1,290,707 | | 1965 | 1,246,793 | | 1964 | 1,203,755 | | 1963 | 1,161,677 | | 1962 | 1,120,689 | | 1961 | 1,080,992 | | 1960 | 1,042,893 |
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