| Year | Value | | 2022 | 4,439,380 | | 2021 | 4,392,392 | | 2020 | 4,350,543 | | 2019 | 4,311,790 | | 2018 | 4,268,011 | | 2017 | 4,214,030 | | 2016 | 4,162,676 | | 2015 | 4,110,288 | | 2014 | 4,051,310 | | 2013 | 3,995,273 | | 2012 | 3,945,489 | | 2011 | 3,897,838 | | 2010 | 3,848,270 | | 2009 | 3,790,241 | | 2008 | 3,719,430 | | 2007 | 3,639,511 | | 2006 | 3,553,547 | | 2005 | 3,469,268 | | 2004 | 3,388,534 | | 2003 | 3,305,742 | | 2002 | 3,222,311 | | 2001 | 3,140,418 | | 2000 | 3,056,374 | | 1999 | 2,969,029 | | 1998 | 2,878,519 | | 1997 | 2,783,181 | | 1996 | 2,685,448 | | 1995 | 2,590,509 | | 1994 | 2,500,869 | | 1993 | 2,415,623 | | 1992 | 2,335,271 | | 1991 | 2,259,960 | | 1990 | 2,186,754 | | 1989 | 2,111,793 | | 1988 | 2,033,716 | | 1987 | 1,953,971 | | 1986 | 1,875,598 | | 1985 | 1,802,396 | | 1984 | 1,739,451 | | 1983 | 1,686,979 | | 1982 | 1,642,574 | | 1981 | 1,606,568 | | 1980 | 1,575,921 | | 1979 | 1,545,753 | | 1978 | 1,512,912 | | 1977 | 1,475,452 | | 1976 | 1,429,628 | | 1975 | 1,376,057 | | 1974 | 1,317,760 | | 1973 | 1,258,402 | | 1972 | 1,202,260 | | 1971 | 1,148,036 | | 1970 | 1,107,396 | | 1969 | 1,084,140 | | 1968 | 1,065,448 | | 1967 | 1,047,745 | | 1966 | 1,030,327 | | 1965 | 1,012,924 | | 1964 | 995,823 | | 1963 | 977,620 | | 1962 | 955,987 | | 1961 | 930,710 | | 1960 | 903,103 |
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