| Year | Value | | 2022 | 5,933,885 | | 2021 | 5,842,899 | | 2020 | 5,742,917 | | 2019 | 5,632,180 | | 2018 | 5,511,155 | | 2017 | 5,376,139 | | 2016 | 5,230,267 | | 2015 | 5,078,929 | | 2014 | 4,918,530 | | 2013 | 4,743,008 | | 2012 | 4,562,165 | | 2011 | 4,386,313 | | 2010 | 4,215,035 | | 2009 | 4,052,314 | | 2008 | 3,905,182 | | 2007 | 3,772,354 | | 2006 | 3,651,578 | | 2005 | 3,544,989 | | 2004 | 3,449,731 | | 2003 | 3,361,535 | | 2002 | 3,278,591 | | 2001 | 3,197,029 | | 2000 | 3,115,692 | | 1999 | 3,034,723 | | 1998 | 2,954,474 | | 1997 | 2,875,933 | | 1996 | 2,801,015 | | 1995 | 2,730,486 | | 1994 | 2,661,011 | | 1993 | 2,592,253 | | 1992 | 2,524,995 | | 1991 | 2,460,388 | | 1990 | 2,395,339 | | 1989 | 2,321,116 | | 1988 | 2,249,904 | | 1987 | 2,202,208 | | 1986 | 2,174,085 | | 1985 | 2,153,293 | | 1984 | 2,141,803 | | 1983 | 2,138,064 | | 1982 | 2,113,835 | | 1981 | 2,064,213 | | 1980 | 2,007,341 | | 1979 | 1,949,627 | | 1978 | 1,896,550 | | 1977 | 1,846,955 | | 1976 | 1,800,050 | | 1975 | 1,754,991 | | 1974 | 1,710,980 | | 1973 | 1,668,733 | | 1972 | 1,628,133 | | 1971 | 1,590,264 | | 1970 | 1,554,729 | | 1969 | 1,521,620 | | 1968 | 1,491,044 | | 1967 | 1,462,062 | | 1966 | 1,433,311 | | 1965 | 1,403,957 | | 1964 | 1,375,581 | | 1963 | 1,348,324 | | 1962 | 1,321,554 | | 1961 | 1,295,079 | | 1960 | 1,268,974 |
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