Year | Value | 2022 | 3,344,028 | 2021 | 3,540,616 | 2020 | 3,724,599 | 2019 | 3,881,463 | 2018 | 3,964,283 | 2017 | 3,953,736 | 2016 | 3,883,011 | 2015 | 3,772,114 | 2014 | 3,622,503 | 2013 | 3,470,457 | 2012 | 3,339,485 | 2011 | 3,223,776 | 2010 | 3,118,368 | 2009 | 3,015,117 | 2008 | 2,917,808 | 2007 | 2,833,086 | 2006 | 2,768,157 | 2005 | 2,721,551 | 2004 | 2,687,724 | 2003 | 2,666,231 | 2002 | 2,667,761 | 2001 | 2,686,270 | 2000 | 2,730,789 | 1999 | 2,832,054 | 1998 | 3,009,550 | 1997 | 3,256,878 | 1996 | 3,540,498 | 1995 | 3,817,704 | 1994 | 4,057,316 | 1993 | 4,257,963 | 1992 | 4,398,688 | 1991 | 4,478,296 | 1990 | 4,523,903 | 1989 | 4,561,526 | 1988 | 4,586,659 | 1987 | 4,573,423 | 1986 | 4,503,787 | 1985 | 4,383,957 | 1984 | 4,238,857 | 1983 | 4,068,867 | 1982 | 3,878,493 | 1981 | 3,684,425 | 1980 | 3,498,262 | 1979 | 3,319,079 | 1978 | 3,156,696 | 1977 | 3,018,578 | 1976 | 2,903,330 | 1975 | 2,814,666 | 1974 | 2,747,240 | 1973 | 2,691,749 | 1972 | 2,643,064 | 1971 | 2,591,616 | 1970 | 2,533,260 | 1969 | 2,471,104 | 1968 | 2,409,360 | 1967 | 2,350,115 | 1966 | 2,292,992 | 1965 | 2,241,230 | 1964 | 2,197,001 | 1963 | 2,155,595 | 1962 | 2,111,504 | 1961 | 2,063,855 | 1960 | 2,011,042 |
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