Year | Value | 2022 | 67,181,473 | 2021 | 63,977,992 | 2020 | 60,726,450 | 2019 | 57,198,092 | 2018 | 54,089,636 | 2017 | 51,525,140 | 2016 | 49,516,759 | 2015 | 48,166,897 | 2014 | 47,289,708 | 2013 | 46,746,029 | 2012 | 46,392,616 | 2011 | 45,828,814 | 2010 | 45,029,548 | 2009 | 44,169,097 | 2008 | 43,188,961 | 2007 | 42,035,286 | 2006 | 40,841,329 | 2005 | 39,806,603 | 2004 | 38,919,037 | 2003 | 38,067,710 | 2002 | 37,216,472 | 2001 | 36,307,112 | 2000 | 35,253,643 | 1999 | 34,103,684 | 1998 | 32,841,371 | 1997 | 31,445,919 | 1996 | 30,136,855 | 1995 | 28,922,760 | 1994 | 27,717,402 | 1993 | 26,593,961 | 1992 | 25,618,845 | 1991 | 24,745,445 | 1990 | 24,003,289 | 1989 | 23,466,558 | 1988 | 23,081,170 | 1987 | 22,747,102 | 1986 | 22,408,925 | 1985 | 22,023,069 | 1984 | 21,525,337 | 1983 | 20,944,546 | 1982 | 20,383,263 | 1981 | 19,857,898 | 1980 | 19,330,946 | 1979 | 18,768,140 | 1978 | 18,194,168 | 1977 | 17,621,952 | 1976 | 17,029,352 | 1975 | 16,431,765 | 1974 | 15,834,927 | 1973 | 15,232,286 | 1972 | 14,683,124 | 1971 | 14,204,166 | 1970 | 13,770,835 | 1969 | 13,371,334 | 1968 | 12,966,743 | 1967 | 12,542,232 | 1966 | 12,121,281 | 1965 | 11,734,274 | 1964 | 11,416,869 | 1963 | 11,204,959 | 1962 | 11,057,344 | 1961 | 10,976,783 | 1960 | 10,976,379 |
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