Year | Value | 2022 | 14,646,246 | 2021 | 14,370,965 | 2020 | 13,980,445 | 2019 | 13,704,208 | 2018 | 13,554,172 | 2017 | 13,405,797 | 2016 | 13,259,469 | 2015 | 13,162,846 | 2014 | 13,138,985 | 2013 | 13,164,892 | 2012 | 13,212,056 | 2011 | 13,250,056 | 2010 | 13,260,079 | 2009 | 13,250,671 | 2008 | 13,236,099 | 2007 | 13,208,569 | 2006 | 13,165,531 | 2005 | 13,098,713 | 2004 | 13,002,461 | 2003 | 12,880,352 | 2002 | 12,738,215 | 2001 | 12,576,001 | 2000 | 12,397,651 | 1999 | 12,206,968 | 1998 | 12,001,525 | 1997 | 11,786,496 | 1996 | 11,563,404 | 1995 | 11,332,246 | 1994 | 11,079,433 | 1993 | 10,814,338 | 1992 | 10,527,373 | 1991 | 10,233,862 | 1990 | 9,968,610 | 1989 | 9,727,439 | 1988 | 9,514,748 | 1987 | 9,319,489 | 1986 | 9,125,435 | 1985 | 8,924,478 | 1984 | 8,720,141 | 1983 | 8,512,469 | 1982 | 8,307,692 | 1981 | 8,112,119 | 1980 | 7,920,157 | 1979 | 7,731,858 | 1978 | 7,550,471 | 1977 | 7,374,650 | 1976 | 7,209,462 | 1975 | 7,052,449 | 1974 | 6,897,703 | 1973 | 6,747,323 | 1972 | 6,600,369 | 1971 | 6,456,816 | 1970 | 6,315,266 | 1969 | 6,175,602 | 1968 | 6,039,743 | 1967 | 5,907,327 | 1966 | 5,779,467 | 1965 | 5,655,693 | 1964 | 5,535,685 | 1963 | 5,420,815 | 1962 | 5,310,110 | 1961 | 5,202,925 | 1960 | 5,100,164 |
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