Year | Value | 2022 | 2,395,597 | 2021 | 2,314,822 | 2020 | 2,252,086 | 2019 | 2,218,181 | 2018 | 2,217,343 | 2017 | 2,244,998 | 2016 | 2,322,326 | 2015 | 2,410,877 | 2014 | 2,476,872 | 2013 | 2,549,671 | 2012 | 2,627,310 | 2011 | 2,696,237 | 2010 | 2,748,262 | 2009 | 2,799,343 | 2008 | 2,857,784 | 2007 | 2,911,750 | 2006 | 2,946,406 | 2005 | 2,952,136 | 2004 | 2,923,883 | 2003 | 2,862,294 | 2002 | 2,781,903 | 2001 | 2,694,856 | 2000 | 2,608,713 | 1999 | 2,516,796 | 1998 | 2,406,029 | 1997 | 2,272,517 | 1996 | 2,110,703 | 1995 | 1,936,620 | 1994 | 1,793,619 | 1993 | 1,706,563 | 1992 | 1,684,395 | 1991 | 1,741,262 | 1990 | 1,843,920 | 1989 | 1,946,772 | 1988 | 2,037,179 | 1987 | 2,099,370 | 1986 | 2,121,769 | 1985 | 2,023,621 | 1984 | 1,849,282 | 1983 | 1,700,595 | 1982 | 1,574,334 | 1981 | 1,477,472 | 1980 | 1,418,181 | 1979 | 1,386,288 | 1978 | 1,356,974 | 1977 | 1,330,270 | 1976 | 1,304,405 | 1975 | 1,279,176 | 1974 | 1,253,349 | 1973 | 1,224,884 | 1972 | 1,193,576 | 1971 | 1,161,601 | 1970 | 1,127,920 | 1969 | 1,092,982 | 1968 | 1,064,190 | 1967 | 1,040,552 | 1966 | 1,017,398 | 1965 | 994,057 | 1964 | 968,144 | 1963 | 933,157 | 1962 | 890,297 | 1961 | 846,141 | 1960 | 799,862 |
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