| Year | Value | | 2022 | 1,871,722 | | 2021 | 1,838,420 | | 2020 | 1,820,938 | | 2019 | 1,817,064 | | 2018 | 1,850,022 | | 2017 | 1,883,795 | | 2016 | 1,917,751 | | 2015 | 1,904,079 | | 2014 | 1,843,101 | | 2013 | 1,763,886 | | 2012 | 1,682,010 | | 2011 | 1,620,141 | | 2010 | 1,622,495 | | 2009 | 1,679,315 | | 2008 | 1,722,171 | | 2007 | 1,746,539 | | 2006 | 1,750,484 | | 2005 | 1,732,375 | | 2004 | 1,700,304 | | 2003 | 1,670,092 | | 2002 | 1,653,194 | | 2001 | 1,656,072 | | 2000 | 1,670,508 | | 1999 | 1,676,862 | | 1998 | 1,674,702 | | 1997 | 1,676,140 | | 1996 | 1,675,766 | | 1995 | 1,662,226 | | 1994 | 1,651,377 | | 1993 | 1,653,463 | | 1992 | 1,655,386 | | 1991 | 1,652,275 | | 1990 | 1,649,591 | | 1989 | 1,596,232 | | 1988 | 1,462,984 | | 1987 | 1,307,479 | | 1986 | 1,178,387 | | 1985 | 1,101,058 | | 1984 | 1,116,296 | | 1983 | 1,224,533 | | 1982 | 1,358,730 | | 1981 | 1,453,915 | | 1980 | 1,493,279 | | 1979 | 1,499,071 | | 1978 | 1,481,784 | | 1977 | 1,454,531 | | 1976 | 1,426,043 | | 1975 | 1,396,278 | | 1974 | 1,363,221 | | 1973 | 1,327,186 | | 1972 | 1,295,900 | | 1971 | 1,269,395 | | 1970 | 1,243,013 | | 1969 | 1,213,876 | | 1968 | 1,183,687 | | 1967 | 1,157,565 | | 1966 | 1,132,966 | | 1965 | 1,107,524 | | 1964 | 1,084,291 | | 1963 | 1,066,848 | | 1962 | 1,049,072 | | 1961 | 1,027,858 | | 1960 | 1,005,999 |
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