| Year | Value | | 2022 | 10,860,239 | | 2021 | 10,466,780 | | 2020 | 10,081,457 | | 2019 | 9,718,426 | | 2018 | 9,361,646 | | 2017 | 9,006,191 | | 2016 | 8,636,549 | | 2015 | 8,226,008 | | 2014 | 7,818,366 | | 2013 | 7,433,981 | | 2012 | 7,063,625 | | 2011 | 6,737,053 | | 2010 | 6,448,827 | | 2009 | 6,194,704 | | 2008 | 5,980,835 | | 2007 | 5,783,289 | | 2006 | 5,572,239 | | 2005 | 5,342,233 | | 2004 | 5,100,105 | | 2003 | 4,870,246 | | 2002 | 4,666,039 | | 2001 | 4,471,354 | | 2000 | 4,283,793 | | 1999 | 4,091,308 | | 1998 | 3,893,209 | | 1997 | 3,707,637 | | 1996 | 3,541,040 | | 1995 | 3,395,110 | | 1994 | 3,281,065 | | 1993 | 3,193,004 | | 1992 | 3,122,956 | | 1991 | 3,069,029 | | 1990 | 3,038,843 | | 1989 | 2,992,828 | | 1988 | 2,957,898 | | 1987 | 2,919,150 | | 1986 | 2,868,946 | | 1985 | 2,815,959 | | 1984 | 2,760,335 | | 1983 | 2,694,656 | | 1982 | 2,624,116 | | 1981 | 2,556,721 | | 1980 | 2,488,145 | | 1979 | 2,412,426 | | 1978 | 2,341,143 | | 1977 | 2,275,470 | | 1976 | 2,199,892 | | 1975 | 2,121,639 | | 1974 | 2,053,255 | | 1973 | 1,988,923 | | 1972 | 1,926,734 | | 1971 | 1,870,992 | | 1970 | 1,821,596 | | 1969 | 1,777,044 | | 1968 | 1,738,521 | | 1967 | 1,705,492 | | 1966 | 1,674,836 | | 1965 | 1,644,200 | | 1964 | 1,613,969 | | 1963 | 1,587,332 | | 1962 | 1,563,741 | | 1961 | 1,540,363 | | 1960 | 1,515,716 |
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