Year | Value | 2022 | 2,713,048 | 2021 | 2,695,998 | 2020 | 2,662,918 | 2019 | 2,646,201 | 2018 | 2,614,333 | 2017 | 2,574,675 | 2016 | 2,546,142 | 2015 | 2,488,514 | 2014 | 2,399,358 | 2013 | 2,298,252 | 2012 | 2,185,835 | 2011 | 2,073,717 | 2010 | 1,973,885 | 2009 | 1,885,027 | 2008 | 1,774,414 | 2007 | 1,637,646 | 2006 | 1,515,282 | 2005 | 1,403,330 | 2004 | 1,272,831 | 2003 | 1,177,475 | 2002 | 1,126,521 | 2001 | 1,089,623 | 2000 | 1,062,360 | 1999 | 1,043,603 | 1998 | 1,031,437 | 1997 | 1,025,733 | 1996 | 1,027,038 | 1995 | 1,034,514 | 1994 | 1,047,421 | 1993 | 1,066,045 | 1992 | 1,085,215 | 1991 | 1,095,134 | 1990 | 1,090,833 | 1989 | 1,073,263 | 1988 | 1,041,617 | 1987 | 1,000,817 | 1986 | 963,612 | 1985 | 936,689 | 1984 | 917,979 | 1983 | 906,628 | 1982 | 900,602 | 1981 | 891,440 | 1980 | 874,578 | 1979 | 850,455 | 1978 | 821,626 | 1977 | 791,446 | 1976 | 765,094 | 1975 | 746,972 | 1974 | 737,130 | 1973 | 734,905 | 1972 | 737,673 | 1971 | 737,744 | 1970 | 730,465 | 1969 | 717,636 | 1968 | 699,519 | 1967 | 677,629 | 1966 | 659,098 | 1965 | 648,785 | 1964 | 645,388 | 1963 | 648,792 | 1962 | 656,100 | 1961 | 658,781 | 1960 | 652,354 |
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