| Year | Value | | 2022 | 3,502,577 | | 2021 | 3,478,510 | | 2020 | 3,461,844 | | 2019 | 3,441,717 | | 2018 | 3,430,098 | | 2017 | 3,425,348 | | 2016 | 3,419,293 | | 2015 | 3,423,915 | | 2014 | 3,446,378 | | 2013 | 3,472,069 | | 2012 | 3,485,619 | | 2011 | 3,479,014 | | 2010 | 3,447,502 | | 2009 | 3,388,100 | | 2008 | 3,308,931 | | 2007 | 3,225,254 | | 2006 | 3,145,073 | | 2005 | 3,066,065 | | 2004 | 2,986,158 | | 2003 | 2,907,446 | | 2002 | 2,826,715 | | 2001 | 2,742,492 | | 2000 | 2,662,885 | | 1999 | 2,590,986 | | 1998 | 2,525,225 | | 1997 | 2,468,790 | | 1996 | 2,422,869 | | 1995 | 2,385,395 | | 1994 | 2,355,614 | | 1993 | 2,330,858 | | 1992 | 2,306,671 | | 1991 | 2,278,380 | | 1990 | 2,241,196 | | 1989 | 2,194,769 | | 1988 | 2,141,044 | | 1987 | 2,082,213 | | 1986 | 2,021,896 | | 1985 | 1,960,991 | | 1984 | 1,899,899 | | 1983 | 1,840,307 | | 1982 | 1,781,734 | | 1981 | 1,724,043 | | 1980 | 1,669,190 | | 1979 | 1,617,405 | | 1978 | 1,568,664 | | 1977 | 1,523,876 | | 1976 | 1,482,743 | | 1975 | 1,443,409 | | 1974 | 1,404,764 | | 1973 | 1,366,212 | | 1972 | 1,326,737 | | 1971 | 1,286,487 | | 1970 | 1,246,027 | | 1969 | 1,204,510 | | 1968 | 1,161,969 | | 1967 | 1,119,243 | | 1966 | 1,075,618 | | 1965 | 1,030,778 | | 1964 | 986,798 | | 1963 | 945,178 | | 1962 | 904,930 | | 1961 | 865,549 | | 1960 | 827,260 |
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