Year | Value | 2022 | 22,036,162 | 2021 | 21,658,443 | 2020 | 21,267,002 | 2019 | 20,851,108 | 2018 | 20,422,284 | 2017 | 20,002,017 | 2016 | 19,603,828 | 2015 | 19,226,802 | 2014 | 18,869,426 | 2013 | 18,523,726 | 2012 | 18,195,730 | 2011 | 17,897,732 | 2010 | 17,632,672 | 2009 | 17,406,209 | 2008 | 17,177,806 | 2007 | 16,931,504 | 2006 | 16,652,957 | 2005 | 16,336,779 | 2004 | 15,982,505 | 2003 | 15,600,430 | 2002 | 15,200,499 | 2001 | 14,786,418 | 2000 | 14,361,749 | 1999 | 13,928,454 | 1998 | 13,493,029 | 1997 | 13,064,064 | 1996 | 12,647,400 | 1995 | 12,245,116 | 1994 | 11,850,074 | 1993 | 11,444,090 | 1992 | 11,023,925 | 1991 | 10,597,690 | 1990 | 10,177,559 | 1989 | 9,782,767 | 1988 | 9,433,730 | 1987 | 9,136,511 | 1986 | 8,882,150 | 1985 | 8,654,252 | 1984 | 8,439,711 | 1983 | 8,236,953 | 1982 | 8,040,401 | 1981 | 7,848,262 | 1980 | 7,652,774 | 1979 | 7,450,763 | 1978 | 7,256,497 | 1977 | 7,079,674 | 1976 | 6,915,423 | 1975 | 6,765,648 | 1974 | 6,633,663 | 1973 | 6,511,997 | 1972 | 6,393,631 | 1971 | 6,272,122 | 1970 | 6,151,169 | 1969 | 6,029,907 | 1968 | 5,897,764 | 1967 | 5,753,240 | 1966 | 5,600,201 | 1965 | 5,441,619 | 1964 | 5,278,048 | 1963 | 5,113,498 | 1962 | 4,957,218 | 1961 | 4,819,194 | 1960 | 4,703,886 |
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