Year | Value | 2023 | 3,432,398 | 2022 | 3,391,532 | 2021 | 3,355,140 | 2020 | 3,316,874 | 2019 | 3,273,780 | 2018 | 3,230,943 | 2017 | 3,187,583 | 2016 | 3,143,770 | 2015 | 3,099,586 | 2014 | 3,055,701 | 2013 | 3,012,723 | 2012 | 2,970,613 | 2011 | 2,929,960 | 2010 | 2,892,171 | 2009 | 2,859,418 | 2008 | 2,831,247 | 2007 | 2,804,771 | 2006 | 2,778,190 | 2005 | 2,750,105 | 2004 | 2,720,509 | 2003 | 2,689,921 | 2002 | 2,657,280 | 2001 | 2,620,009 | 2000 | 2,576,086 | 1999 | 2,526,645 | 1998 | 2,474,466 | 1997 | 2,420,994 | 1996 | 2,366,857 | 1995 | 2,312,247 | 1994 | 2,257,266 | 1993 | 2,202,094 | 1992 | 2,146,705 | 1991 | 2,091,213 | 1990 | 2,035,999 | 1989 | 1,981,096 | 1988 | 1,926,476 | 1987 | 1,872,605 | 1986 | 1,819,870 | 1985 | 1,768,457 | 1984 | 1,718,591 | 1983 | 1,670,180 | 1982 | 1,623,289 | 1981 | 1,577,735 | 1980 | 1,533,955 | 1979 | 1,492,615 | 1978 | 1,453,409 | 1977 | 1,415,795 | 1976 | 1,379,373 | 1975 | 1,343,935 |
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