Year | Value | 2022 | 46,373,413 | 2021 | 44,336,645 | 2020 | 42,376,327 | 2019 | 40,499,458 | 2018 | 38,719,038 | 2017 | 36,983,500 | 2016 | 35,265,313 | 2015 | 33,617,961 | 2014 | 32,071,811 | 2013 | 30,579,203 | 2012 | 29,167,345 | 2011 | 27,835,187 | 2010 | 26,565,134 | 2009 | 25,380,957 | 2008 | 24,262,452 | 2007 | 23,193,341 | 2006 | 22,168,089 | 2005 | 21,195,598 | 2004 | 20,281,775 | 2003 | 19,433,892 | 2002 | 18,626,760 | 2001 | 17,831,456 | 2000 | 17,075,023 | 1999 | 16,368,488 | 1998 | 15,695,810 | 1997 | 15,123,906 | 1996 | 14,686,677 | 1995 | 14,214,188 | 1994 | 13,445,732 | 1993 | 12,644,496 | 1992 | 12,076,975 | 1991 | 11,555,312 | 1990 | 11,024,063 | 1989 | 10,518,116 | 1988 | 10,049,078 | 1987 | 9,601,140 | 1986 | 9,178,081 | 1985 | 8,782,019 | 1984 | 8,396,238 | 1983 | 8,075,041 | 1982 | 7,783,707 | 1981 | 7,503,388 | 1980 | 7,230,575 | 1979 | 6,946,861 | 1978 | 6,645,800 | 1977 | 6,383,574 | 1976 | 6,166,390 | 1975 | 5,952,442 | 1974 | 5,741,182 | 1973 | 5,535,813 | 1972 | 5,337,286 | 1971 | 5,146,547 | 1970 | 4,958,938 | 1969 | 4,772,407 | 1968 | 4,590,962 | 1967 | 4,414,648 | 1966 | 4,246,092 | 1965 | 4,086,480 | 1964 | 3,936,757 | 1963 | 3,795,175 | 1962 | 3,659,423 | 1961 | 3,530,094 | 1960 | 3,406,672 |
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