| Year | Value | | 2022 | 5,649,497 | | 2021 | 5,667,114 | | 2020 | 5,683,880 | | 2019 | 5,688,414 | | 2018 | 5,691,084 | | 2017 | 5,691,861 | | 2016 | 5,691,556 | | 2015 | 5,687,872 | | 2014 | 5,681,712 | | 2013 | 5,674,433 | | 2012 | 5,666,230 | | 2011 | 5,659,068 | | 2010 | 5,653,239 | | 2009 | 5,647,821 | | 2008 | 5,642,613 | | 2007 | 5,637,238 | | 2006 | 5,630,486 | | 2005 | 5,620,997 | | 2004 | 5,608,307 | | 2003 | 5,592,995 | | 2002 | 5,574,743 | | 2001 | 5,553,672 | | 2000 | 5,530,949 | | 1999 | 5,507,169 | | 1998 | 5,483,197 | | 1997 | 5,459,797 | | 1996 | 5,436,930 | | 1995 | 5,413,614 | | 1994 | 5,388,739 | | 1993 | 5,362,211 | | 1992 | 5,332,032 | | 1991 | 5,295,647 | | 1990 | 5,250,938 | | 1989 | 5,200,248 | | 1988 | 5,148,428 | | 1987 | 5,098,011 | | 1986 | 5,050,762 | | 1985 | 5,005,673 | | 1984 | 4,961,799 | | 1983 | 4,918,993 | | 1982 | 4,878,582 | | 1981 | 4,845,535 | | 1980 | 4,824,362 | | 1979 | 4,807,395 | | 1978 | 4,785,374 | | 1977 | 4,757,190 | | 1976 | 4,722,075 | | 1975 | 4,679,669 | | 1974 | 4,630,047 | | 1973 | 4,573,551 | | 1972 | 4,510,418 | | 1971 | 4,439,872 | | 1970 | 4,361,899 | | 1969 | 4,280,685 | | 1968 | 4,199,666 | | 1967 | 4,118,605 | | 1966 | 4,036,930 | | 1965 | 3,954,131 | | 1964 | 3,870,101 | | 1963 | 3,785,934 | | 1962 | 3,703,715 | | 1961 | 3,624,519 | | 1960 | 3,547,655 |
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