| Year | Value | | 2022 | 11,240,296 | | 2021 | 10,882,577 | | 2020 | 10,527,640 | | 2019 | 10,184,547 | | 2018 | 9,852,613 | | 2017 | 9,541,281 | | 2016 | 9,238,941 | | 2015 | 8,935,284 | | 2014 | 8,635,496 | | 2013 | 8,318,774 | | 2012 | 7,994,685 | | 2011 | 7,699,932 | | 2010 | 7,424,020 | | 2009 | 7,148,435 | | 2008 | 6,887,494 | | 2007 | 6,645,756 | | 2006 | 6,400,894 | | 2005 | 6,144,010 | | 2004 | 5,885,138 | | 2003 | 5,630,420 | | 2002 | 5,392,130 | | 2001 | 5,165,795 | | 2000 | 4,938,555 | | 1999 | 4,705,178 | | 1998 | 4,480,044 | | 1997 | 4,274,698 | | 1996 | 4,085,588 | | 1995 | 3,925,487 | | 1994 | 3,805,615 | | 1993 | 3,727,791 | | 1992 | 3,676,450 | | 1991 | 3,631,284 | | 1990 | 3,590,533 | | 1989 | 3,531,685 | | 1988 | 3,489,655 | | 1987 | 3,440,399 | | 1986 | 3,382,600 | | 1985 | 3,321,636 | | 1984 | 3,256,625 | | 1983 | 3,183,311 | | 1982 | 3,105,756 | | 1981 | 3,024,673 | | 1980 | 2,946,593 | | 1979 | 2,875,393 | | 1978 | 2,813,615 | | 1977 | 2,753,329 | | 1976 | 2,670,438 | | 1975 | 2,572,427 | | 1974 | 2,477,664 | | 1973 | 2,382,679 | | 1972 | 2,286,183 | | 1971 | 2,200,343 | | 1970 | 2,127,519 | | 1969 | 2,064,997 | | 1968 | 2,012,334 | | 1967 | 1,969,465 | | 1966 | 1,932,262 | | 1965 | 1,903,389 | | 1964 | 1,881,778 | | 1963 | 1,868,051 | | 1962 | 1,859,450 | | 1961 | 1,848,253 | | 1960 | 1,828,989 |
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