Year | Value | 2022 | 59,047,393 | 2021 | 57,580,238 | 2020 | 56,090,317 | 2019 | 54,475,963 | 2018 | 52,817,667 | 2017 | 51,085,760 | 2016 | 49,272,653 | 2015 | 47,437,591 | 2014 | 45,584,597 | 2013 | 43,596,676 | 2012 | 41,604,493 | 2011 | 39,790,090 | 2010 | 38,054,333 | 2009 | 36,412,740 | 2008 | 35,034,199 | 2007 | 33,919,790 | 2006 | 32,920,670 | 2005 | 32,069,687 | 2004 | 31,371,898 | 2003 | 30,795,408 | 2002 | 30,293,155 | 2001 | 29,793,288 | 2000 | 29,245,150 | 1999 | 28,645,457 | 1998 | 27,997,307 | 1997 | 27,307,109 | 1996 | 26,609,470 | 1995 | 25,940,789 | 1994 | 25,308,847 | 1993 | 24,670,080 | 1992 | 24,009,221 | 1991 | 23,348,622 | 1990 | 22,688,253 | 1989 | 22,019,931 | 1988 | 21,371,178 | 1987 | 20,732,359 | 1986 | 20,114,884 | 1985 | 19,517,170 | 1984 | 18,951,537 | 1983 | 18,430,294 | 1982 | 17,944,281 | 1981 | 17,489,746 | 1980 | 17,080,764 | 1979 | 16,698,968 | 1978 | 16,319,585 | 1977 | 15,959,799 | 1976 | 15,613,347 | 1975 | 15,276,414 | 1974 | 14,961,790 | 1973 | 14,668,810 | 1972 | 14,378,684 | 1971 | 14,080,072 | 1970 | 13,753,561 | 1969 | 13,386,835 | 1968 | 12,978,226 | 1967 | 12,551,102 | 1966 | 12,151,660 | 1965 | 11,810,608 | 1964 | 11,520,060 | 1963 | 11,288,297 | 1962 | 11,103,673 | 1961 | 10,893,861 | 1960 | 10,608,024 |
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