| Year | Value | | 2022 | 4,678,464 | | 2021 | 4,566,557 | | 2020 | 4,467,786 | | 2019 | 4,383,446 | | 2018 | 4,316,977 | | 2017 | 4,267,293 | | 2016 | 4,241,740 | | 2015 | 4,231,802 | | 2014 | 4,214,812 | | 2013 | 4,186,445 | | 2012 | 4,149,810 | | 2011 | 4,099,260 | | 2010 | 4,031,258 | | 2009 | 3,950,034 | | 2008 | 3,860,995 | | 2007 | 3,764,335 | | 2006 | 3,658,022 | | 2005 | 3,544,294 | | 2004 | 3,423,617 | | 2003 | 3,296,619 | | 2002 | 3,168,490 | | 2001 | 3,028,621 | | 2000 | 2,870,468 | | 1999 | 2,724,821 | | 1998 | 2,610,955 | | 1997 | 2,528,947 | | 1996 | 2,476,878 | | 1995 | 2,445,163 | | 1994 | 2,428,298 | | 1993 | 2,412,443 | | 1992 | 2,392,317 | | 1991 | 2,355,231 | | 1990 | 2,298,194 | | 1989 | 2,235,706 | | 1988 | 2,165,515 | | 1987 | 2,091,353 | | 1986 | 2,021,037 | | 1985 | 1,955,717 | | 1984 | 1,900,298 | | 1983 | 1,851,448 | | 1982 | 1,797,965 | | 1981 | 1,738,504 | | 1980 | 1,676,356 | | 1979 | 1,622,338 | | 1978 | 1,579,901 | | 1977 | 1,542,274 | | 1976 | 1,506,436 | | 1975 | 1,472,537 | | 1974 | 1,440,699 | | 1973 | 1,410,393 | | 1972 | 1,380,861 | | 1971 | 1,354,311 | | 1970 | 1,327,447 | | 1969 | 1,297,829 | | 1968 | 1,268,778 | | 1967 | 1,240,424 | | 1966 | 1,212,970 | | 1965 | 1,186,504 | | 1964 | 1,160,901 | | 1963 | 1,136,124 | | 1962 | 1,111,745 | | 1961 | 1,086,869 | | 1960 | 1,059,857 |
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