Year | Value | 2022 | 2,640,716 | 2021 | 2,606,764 | 2020 | 2,602,372 | 2019 | 2,595,484 | 2018 | 2,571,676 | 2017 | 2,531,999 | 2016 | 2,477,668 | 2015 | 2,403,083 | 2014 | 2,336,694 | 2013 | 2,303,081 | 2012 | 2,303,629 | 2011 | 2,356,259 | 2010 | 2,507,680 | 2009 | 2,656,411 | 2008 | 2,838,306 | 2007 | 3,025,483 | 2006 | 3,189,715 | 2005 | 3,325,322 | 2004 | 3,433,121 | 2003 | 3,508,271 | 2002 | 3,542,648 | 2001 | 3,540,171 | 2000 | 3,512,428 | 1999 | 3,457,757 | 1998 | 3,375,852 | 1997 | 3,282,967 | 1996 | 3,183,004 | 1995 | 3,079,351 | 1994 | 2,989,191 | 1993 | 2,917,557 | 1992 | 2,855,015 | 1991 | 2,802,347 | 1990 | 2,763,693 | 1989 | 2,720,506 | 1988 | 2,658,536 | 1987 | 2,583,393 | 1986 | 2,480,822 | 1985 | 2,337,133 | 1984 | 2,251,864 | 1983 | 2,265,132 | 1982 | 2,304,558 | 1981 | 2,426,018 | 1980 | 2,663,989 | 1979 | 2,872,620 | 1978 | 2,990,879 | 1977 | 3,076,451 | 1976 | 3,097,463 | 1975 | 3,039,400 | 1974 | 2,941,432 | 1973 | 2,792,865 | 1972 | 2,631,572 | 1971 | 2,501,238 | 1970 | 2,414,451 | 1969 | 2,361,638 | 1968 | 2,367,131 | 1967 | 2,427,848 | 1966 | 2,483,998 | 1965 | 2,527,761 | 1964 | 2,562,545 | 1963 | 2,592,122 | 1962 | 2,635,738 | 1961 | 2,710,117 | 1960 | 2,790,225 |
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