Year | Value | 2022 | 3,423,334 | 2021 | 3,253,989 | 2020 | 3,113,180 | 2019 | 2,997,615 | 2018 | 2,901,403 | 2017 | 2,807,237 | 2016 | 2,703,588 | 2015 | 2,593,850 | 2014 | 2,483,125 | 2013 | 2,377,748 | 2012 | 2,282,316 | 2011 | 2,198,070 | 2010 | 2,127,796 | 2009 | 2,071,799 | 2008 | 2,023,955 | 2007 | 1,976,575 | 2006 | 1,925,696 | 2005 | 1,872,033 | 2004 | 1,818,003 | 2003 | 1,765,201 | 2002 | 1,713,826 | 2001 | 1,663,840 | 2000 | 1,615,046 | 1999 | 1,566,930 | 1998 | 1,515,254 | 1997 | 1,455,999 | 1996 | 1,395,311 | 1995 | 1,340,066 | 1994 | 1,289,040 | 1993 | 1,244,296 | 1992 | 1,210,565 | 1991 | 1,172,893 | 1990 | 1,134,205 | 1989 | 1,104,902 | 1988 | 1,075,284 | 1987 | 1,050,721 | 1986 | 1,035,192 | 1985 | 1,022,622 | 1984 | 1,007,891 | 1983 | 990,739 | 1982 | 967,032 | 1981 | 929,497 | 1980 | 904,736 | 1979 | 898,314 | 1978 | 885,730 | 1977 | 873,389 | 1976 | 860,372 | 1975 | 842,181 | 1974 | 823,706 | 1973 | 804,197 | 1972 | 784,649 | 1971 | 765,906 | 1970 | 747,519 | 1969 | 729,123 | 1968 | 710,787 | 1967 | 692,589 | 1966 | 675,426 | 1965 | 659,062 | 1964 | 643,006 | 1963 | 627,492 | 1962 | 612,416 | 1961 | 597,784 | 1960 | 583,698 |
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