Year | Value | 2022 | 2,794,161 | 2021 | 2,724,426 | 2020 | 2,648,087 | 2019 | 2,567,074 | 2018 | 2,483,589 | 2017 | 2,400,689 | 2016 | 2,315,729 | 2015 | 2,237,576 | 2014 | 2,168,242 | 2013 | 2,102,995 | 2012 | 2,040,094 | 2011 | 1,975,127 | 2010 | 1,907,281 | 2009 | 1,837,740 | 2008 | 1,769,170 | 2007 | 1,701,893 | 2006 | 1,636,887 | 2005 | 1,572,917 | 2004 | 1,508,765 | 2003 | 1,444,767 | 2002 | 1,380,670 | 2001 | 1,320,935 | 2000 | 1,267,512 | 1999 | 1,219,672 | 1998 | 1,176,751 | 1997 | 1,142,142 | 1996 | 1,113,439 | 1995 | 1,092,045 | 1994 | 1,073,524 | 1993 | 1,049,332 | 1992 | 1,025,428 | 1991 | 1,001,783 | 1990 | 978,507 | 1989 | 955,057 | 1988 | 930,483 | 1987 | 903,474 | 1986 | 874,310 | 1985 | 844,711 | 1984 | 814,432 | 1983 | 784,461 | 1982 | 756,773 | 1981 | 732,126 | 1980 | 711,411 | 1979 | 693,789 | 1978 | 676,009 | 1977 | 657,780 | 1976 | 640,605 | 1975 | 624,212 | 1974 | 608,291 | 1973 | 593,656 | 1972 | 580,878 | 1971 | 567,882 | 1970 | 553,361 | 1969 | 539,668 | 1968 | 524,334 | 1967 | 503,417 | 1966 | 478,465 | 1965 | 451,011 | 1964 | 420,369 | 1963 | 389,912 | 1962 | 365,131 | 1961 | 346,065 | 1960 | 331,271 |
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