Year | Value | 2022 | 2,571,531 | 2021 | 2,473,485 | 2020 | 2,380,385 | 2019 | 2,284,602 | 2018 | 2,168,929 | 2017 | 2,030,896 | 2016 | 1,906,182 | 2015 | 1,761,320 | 2014 | 1,603,274 | 2013 | 1,513,273 | 2012 | 1,487,592 | 2011 | 1,512,148 | 2010 | 1,571,057 | 2009 | 1,645,901 | 2008 | 1,719,431 | 2007 | 1,775,479 | 2006 | 1,805,102 | 2005 | 1,806,327 | 2004 | 1,779,611 | 2003 | 1,726,174 | 2002 | 1,650,423 | 2001 | 1,556,490 | 2000 | 1,447,286 | 1999 | 1,330,635 | 1998 | 1,219,734 | 1997 | 1,122,518 | 1996 | 1,057,528 | 1995 | 1,031,453 | 1994 | 1,028,799 | 1993 | 1,046,068 | 1992 | 1,076,143 | 1991 | 1,095,608 | 1990 | 1,093,401 | 1989 | 1,075,972 | 1988 | 1,052,596 | 1987 | 1,026,143 | 1986 | 995,488 | 1985 | 993,645 | 1984 | 1,011,194 | 1983 | 1,009,656 | 1982 | 994,431 | 1981 | 971,263 | 1980 | 931,159 | 1979 | 877,948 | 1978 | 826,264 | 1977 | 777,281 | 1976 | 736,981 | 1975 | 704,267 | 1974 | 673,996 | 1973 | 646,601 | 1972 | 622,077 | 1971 | 600,902 | 1970 | 584,905 | 1969 | 573,119 | 1968 | 562,603 | 1967 | 553,180 | 1966 | 544,723 | 1965 | 536,937 | 1964 | 529,655 | 1963 | 522,806 | 1962 | 516,082 | 1961 | 509,332 | 1960 | 502,972 |
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