| Year | Value | | 2022 | 2,127,505 | | 2021 | 2,078,779 | | 2020 | 2,036,542 | | 2019 | 2,000,146 | | 2018 | 1,981,486 | | 2017 | 1,944,598 | | 2016 | 1,910,987 | | 2015 | 1,892,051 | | 2014 | 1,887,055 | | 2013 | 1,888,486 | | 2012 | 1,904,830 | | 2011 | 1,937,797 | | 2010 | 1,922,776 | | 2009 | 1,858,687 | | 2008 | 1,792,106 | | 2007 | 1,724,671 | | 2006 | 1,664,654 | | 2005 | 1,668,729 | | 2004 | 1,727,860 | | 2003 | 1,772,227 | | 2002 | 1,795,846 | | 2001 | 1,799,741 | | 2000 | 1,783,954 | | 1999 | 1,754,964 | | 1998 | 1,728,257 | | 1997 | 1,714,077 | | 1996 | 1,718,264 | | 1995 | 1,734,360 | | 1994 | 1,743,032 | | 1993 | 1,742,752 | | 1992 | 1,747,074 | | 1991 | 1,746,747 | | 1990 | 1,731,840 | | 1989 | 1,722,503 | | 1988 | 1,726,986 | | 1987 | 1,731,821 | | 1986 | 1,735,615 | | 1985 | 1,740,928 | | 1984 | 1,689,318 | | 1983 | 1,552,853 | | 1982 | 1,392,777 | | 1981 | 1,263,264 | | 1980 | 1,188,024 | | 1979 | 1,205,975 | | 1978 | 1,319,447 | | 1977 | 1,452,483 | | 1976 | 1,550,489 | | 1975 | 1,593,069 | | 1974 | 1,599,469 | | 1973 | 1,590,403 | | 1972 | 1,570,665 | | 1971 | 1,545,229 | | 1970 | 1,512,193 | | 1969 | 1,472,414 | | 1968 | 1,427,267 | | 1967 | 1,385,414 | | 1966 | 1,351,228 | | 1965 | 1,321,378 | | 1964 | 1,292,106 | | 1963 | 1,265,539 | | 1962 | 1,245,670 | | 1961 | 1,227,866 | | 1960 | 1,206,886 |
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