| Year | Value | | 2022 | 6,107,813 | | 2021 | 5,881,346 | | 2020 | 5,681,327 | | 2019 | 5,490,519 | | 2018 | 5,309,032 | | 2017 | 5,132,560 | | 2016 | 4,946,763 | | 2015 | 4,744,391 | | 2014 | 4,520,990 | | 2013 | 4,288,488 | | 2012 | 4,074,153 | | 2011 | 3,883,886 | | 2010 | 3,708,814 | | 2009 | 3,540,213 | | 2008 | 3,371,393 | | 2007 | 3,209,064 | | 2006 | 3,067,148 | | 2005 | 2,948,618 | | 2004 | 2,855,140 | | 2003 | 2,784,926 | | 2002 | 2,731,355 | | 2001 | 2,687,814 | | 2000 | 2,651,295 | | 1999 | 2,619,970 | | 1998 | 2,591,011 | | 1997 | 2,551,816 | | 1996 | 2,500,922 | | 1995 | 2,452,967 | | 1994 | 2,407,596 | | 1993 | 2,354,656 | | 1992 | 2,297,950 | | 1991 | 2,243,534 | | 1990 | 2,194,543 | | 1989 | 2,131,197 | | 1988 | 2,076,644 | | 1987 | 2,021,592 | | 1986 | 1,961,968 | | 1985 | 1,902,177 | | 1984 | 1,843,193 | | 1983 | 1,784,065 | | 1982 | 1,727,295 | | 1981 | 1,675,209 | | 1980 | 1,626,108 | | 1979 | 1,576,682 | | 1978 | 1,536,406 | | 1977 | 1,505,543 | | 1976 | 1,465,327 | | 1975 | 1,420,430 | | 1974 | 1,388,386 | | 1973 | 1,365,929 | | 1972 | 1,345,752 | | 1971 | 1,325,377 | | 1970 | 1,303,690 | | 1969 | 1,281,173 | | 1968 | 1,257,747 | | 1967 | 1,233,384 | | 1966 | 1,207,948 | | 1965 | 1,180,867 | | 1964 | 1,153,003 | | 1963 | 1,127,321 | | 1962 | 1,105,700 | | 1961 | 1,085,704 | | 1960 | 1,062,553 |
|