Year | Value | 2023 | 66,321,372 | 2022 | 66,811,656 | 2021 | 67,336,800 | 2020 | 67,689,391 | 2019 | 67,717,185 | 2018 | 67,533,940 | 2017 | 67,206,810 | 2016 | 66,716,610 | 2015 | 66,212,543 | 2014 | 65,788,022 | 2013 | 65,319,813 | 2012 | 64,784,887 | 2011 | 64,221,836 | 2010 | 63,573,345 | 2009 | 62,917,338 | 2008 | 62,360,024 | 2007 | 61,820,576 | 2006 | 61,295,479 | 2005 | 60,761,379 | 2004 | 60,116,421 | 2003 | 59,324,799 | 2002 | 58,403,477 | 2001 | 57,370,256 | 2000 | 56,280,636 | 1999 | 55,124,328 | 1998 | 53,882,050 | 1997 | 52,661,762 | 1996 | 51,521,497 | 1995 | 50,453,287 | 1994 | 49,502,718 | 1993 | 48,685,255 | 1992 | 47,876,552 | 1991 | 46,989,448 | 1990 | 46,045,660 | 1989 | 45,061,973 | 1988 | 44,076,708 | 1987 | 43,142,559 | 1986 | 42,234,821 | 1985 | 41,365,683 | 1984 | 40,565,327 | 1983 | 39,801,257 | 1982 | 39,060,101 | 1981 | 38,357,049 | 1980 | 37,662,851 | 1979 | 36,935,044 | 1978 | 36,190,980 | 1977 | 35,466,361 | 1976 | 34,765,790 | 1975 | 34,074,991 | 1974 | 33,381,717 |
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