Year | Value | 2022 | 45,803,923 | 2021 | 44,802,742 | 2020 | 43,807,214 | 2019 | 42,841,294 | 2018 | 41,915,899 | 2017 | 41,023,532 | 2016 | 40,190,056 | 2015 | 39,388,750 | 2014 | 38,555,825 | 2013 | 37,679,502 | 2012 | 36,785,167 | 2011 | 35,870,000 | 2010 | 34,937,850 | 2009 | 34,005,958 | 2008 | 33,051,323 | 2007 | 32,044,167 | 2006 | 30,985,052 | 2005 | 29,884,683 | 2004 | 28,770,228 | 2003 | 27,536,569 | 2002 | 26,237,514 | 2001 | 25,040,023 | 2000 | 23,944,361 | 1999 | 22,936,097 | 1998 | 22,139,945 | 1997 | 21,530,581 | 1996 | 20,963,633 | 1995 | 20,465,525 | 1994 | 20,033,184 | 1993 | 19,671,412 | 1992 | 19,365,564 | 1991 | 19,068,684 | 1990 | 18,746,700 | 1989 | 18,392,229 | 1988 | 17,997,195 | 1987 | 17,569,893 | 1986 | 17,145,190 | 1985 | 16,736,110 | 1984 | 16,327,745 | 1983 | 15,910,556 | 1982 | 15,496,793 | 1981 | 15,107,007 | 1980 | 14,740,239 | 1979 | 14,388,142 | 1978 | 14,056,787 | 1977 | 13,745,786 | 1976 | 13,456,730 | 1975 | 13,184,832 | 1974 | 12,923,243 | 1973 | 12,675,287 | 1972 | 12,439,985 | 1971 | 12,220,419 | 1970 | 12,004,186 | 1969 | 11,778,796 | 1968 | 11,549,238 | 1967 | 11,322,952 | 1966 | 11,110,827 | 1965 | 10,913,560 | 1964 | 10,725,607 | 1963 | 10,551,277 | 1962 | 10,381,106 | 1961 | 10,182,407 | 1960 | 9,937,696 |
|