Year | Value | 2022 | 79,126,731 | 2021 | 77,686,716 | 2020 | 76,256,190 | 2019 | 75,017,341 | 2018 | 73,795,360 | 2017 | 71,906,263 | 2016 | 70,109,673 | 2015 | 69,512,543 | 2014 | 70,091,269 | 2013 | 72,075,610 | 2012 | 74,934,279 | 2011 | 77,860,460 | 2010 | 80,844,589 | 2009 | 83,270,966 | 2008 | 84,653,157 | 2007 | 84,660,224 | 2006 | 83,698,116 | 2005 | 82,615,449 | 2004 | 81,446,438 | 2003 | 80,910,135 | 2002 | 80,392,275 | 2001 | 76,956,523 | 2000 | 71,140,660 | 1999 | 65,405,321 | 1998 | 59,805,185 | 1997 | 56,287,969 | 1996 | 56,401,713 | 1995 | 58,193,457 | 1994 | 59,875,086 | 1993 | 60,394,244 | 1992 | 59,501,103 | 1991 | 58,046,568 | 1990 | 56,292,898 | 1989 | 53,972,253 | 1988 | 51,245,630 | 1987 | 48,082,517 | 1986 | 44,975,216 | 1985 | 42,164,846 | 1984 | 39,521,404 | 1983 | 37,395,889 | 1982 | 35,715,609 | 1981 | 34,538,365 | 1980 | 33,735,104 | 1979 | 33,130,216 | 1978 | 32,702,242 | 1977 | 32,454,039 | 1976 | 32,242,537 | 1975 | 32,110,625 | 1974 | 32,128,911 | 1973 | 32,136,629 | 1972 | 31,899,257 | 1971 | 31,351,659 | 1970 | 30,646,531 | 1969 | 29,913,324 | 1968 | 29,147,213 | 1967 | 28,423,811 | 1966 | 27,742,953 | 1965 | 27,111,417 | 1964 | 26,697,784 | 1963 | 26,326,683 | 1962 | 25,825,292 | 1961 | 25,510,728 | 1960 | 25,367,223 |
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