Year | Value | 2023 | 66,096,052 | 2022 | 65,453,229 | 2021 | 64,430,760 | 2020 | 63,459,911 | 2019 | 62,454,830 | 2018 | 61,171,815 | 2017 | 59,948,610 | 2016 | 58,771,924 | 2015 | 57,577,405 | 2014 | 56,402,205 | 2013 | 55,230,633 | 2012 | 54,107,050 | 2011 | 52,997,156 | 2010 | 51,802,928 | 2009 | 50,601,059 | 2008 | 49,488,204 | 2007 | 48,446,281 | 2006 | 47,946,041 | 2005 | 47,033,171 | 2004 | 46,111,387 | 2003 | 45,177,289 | 2002 | 44,234,772 | 2001 | 43,284,567 | 2000 | 42,357,421 | 1999 | 41,482,871 | 1998 | 40,600,714 | 1997 | 39,709,875 | 1996 | 38,814,244 | 1995 | 37,910,252 | 1994 | 36,974,840 | 1993 | 36,021,941 | 1992 | 35,094,460 | 1991 | 34,192,250 | 1990 | 33,162,932 | 1989 | 31,830,973 | 1988 | 30,505,840 | 1987 | 29,201,940 | 1986 | 27,923,752 | 1985 | 26,584,378 | 1984 | 25,101,334 | 1983 | 23,648,150 | 1982 | 22,239,965 | 1981 | 20,932,083 | 1980 | 19,879,979 | 1979 | 19,297,496 | 1978 | 18,737,366 | 1977 | 18,182,074 | 1976 | 17,634,446 | 1975 | 17,072,353 | 1974 | 16,454,028 |
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