Year | Value | 2022 | 37,913,044 | 2021 | 36,883,170 | 2020 | 35,870,752 | 2019 | 34,848,860 | 2018 | 33,824,585 | 2017 | 32,838,789 | 2016 | 31,914,865 | 2015 | 31,074,296 | 2014 | 30,298,105 | 2013 | 29,574,239 | 2012 | 28,873,765 | 2011 | 28,097,602 | 2010 | 27,280,453 | 2009 | 26,499,957 | 2008 | 25,760,336 | 2007 | 25,040,553 | 2006 | 24,311,677 | 2005 | 23,574,119 | 2004 | 22,849,124 | 2003 | 22,106,087 | 2002 | 21,330,898 | 2001 | 20,594,034 | 2000 | 19,956,641 | 1999 | 19,356,718 | 1998 | 18,763,070 | 1997 | 18,202,440 | 1996 | 17,653,280 | 1995 | 17,111,080 | 1994 | 16,599,605 | 1993 | 16,123,625 | 1992 | 15,681,181 | 1991 | 15,305,158 | 1990 | 15,008,953 | 1989 | 14,718,915 | 1988 | 14,403,144 | 1987 | 14,054,749 | 1986 | 13,672,041 | 1985 | 13,276,798 | 1984 | 12,863,129 | 1983 | 12,461,337 | 1982 | 12,073,597 | 1981 | 11,732,731 | 1980 | 11,475,851 | 1979 | 11,201,770 | 1978 | 10,871,095 | 1977 | 10,559,139 | 1976 | 10,263,954 | 1975 | 9,956,128 | 1974 | 9,649,005 | 1973 | 9,336,203 | 1972 | 9,028,097 | 1971 | 8,746,724 | 1970 | 8,508,031 | 1969 | 8,301,870 | 1968 | 8,117,697 | 1967 | 7,978,294 | 1966 | 7,876,849 | 1965 | 7,754,474 | 1964 | 7,604,432 | 1963 | 7,454,616 | 1962 | 7,290,317 | 1961 | 7,114,895 | 1960 | 6,948,979 |
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