Year | Value | 2022 | 46,402,298 | 2021 | 46,378,773 | 2020 | 46,485,631 | 2019 | 46,431,136 | 2018 | 46,297,413 | 2017 | 46,028,475 | 2016 | 45,724,637 | 2015 | 45,403,754 | 2014 | 45,205,038 | 2013 | 45,188,482 | 2012 | 45,310,072 | 2011 | 45,581,190 | 2010 | 45,968,934 | 2009 | 46,221,872 | 2008 | 46,382,269 | 2007 | 46,393,450 | 2006 | 46,144,780 | 2005 | 45,891,665 | 2004 | 45,882,842 | 2003 | 45,894,816 | 2002 | 45,819,790 | 2001 | 45,796,987 | 2000 | 45,686,020 | 1999 | 45,311,404 | 1998 | 44,800,088 | 1997 | 44,268,848 | 1996 | 43,691,918 | 1995 | 43,062,610 | 1994 | 42,404,138 | 1993 | 41,739,960 | 1992 | 41,020,396 | 1991 | 40,456,786 | 1990 | 39,855,922 | 1989 | 39,214,307 | 1988 | 38,877,607 | 1987 | 38,761,370 | 1986 | 38,256,859 | 1985 | 37,106,144 | 1984 | 35,832,954 | 1983 | 34,591,838 | 1982 | 33,238,125 | 1981 | 32,042,653 | 1980 | 31,589,947 | 1979 | 31,426,500 | 1978 | 30,946,836 | 1977 | 30,441,649 | 1976 | 30,153,278 | 1975 | 29,828,395 | 1974 | 29,386,671 | 1973 | 29,083,415 | 1972 | 28,862,848 | 1971 | 28,648,348 | 1970 | 28,559,167 | 1969 | 28,769,125 | 1968 | 28,892,633 | 1967 | 28,851,719 | 1966 | 28,684,576 | 1965 | 28,266,459 | 1964 | 27,604,021 | 1963 | 27,097,324 | 1962 | 26,707,968 | 1961 | 26,193,819 | 1960 | 25,839,795 |
|