Year | Value | 2022 | 38,214,452 | 2021 | 37,007,101 | 2020 | 36,190,346 | 2019 | 35,473,993 | 2018 | 34,885,999 | 2017 | 34,459,349 | 2016 | 33,896,951 | 2015 | 33,158,597 | 2014 | 32,385,243 | 2013 | 31,544,898 | 2012 | 30,583,092 | 2011 | 29,598,652 | 2010 | 28,751,766 | 2009 | 28,030,501 | 2008 | 27,336,095 | 2007 | 26,655,800 | 2006 | 25,955,290 | 2005 | 25,151,965 | 2004 | 24,296,015 | 2003 | 23,369,799 | 2002 | 22,342,506 | 2001 | 21,366,431 | 2000 | 20,426,565 | 1999 | 19,457,482 | 1998 | 18,545,601 | 1997 | 17,749,934 | 1996 | 17,031,049 | 1995 | 16,407,825 | 1994 | 15,935,799 | 1993 | 15,584,442 | 1992 | 15,283,168 | 1991 | 14,992,963 | 1990 | 14,688,745 | 1989 | 14,306,957 | 1988 | 13,865,906 | 1987 | 13,444,813 | 1986 | 13,057,164 | 1985 | 12,675,261 | 1984 | 12,281,641 | 1983 | 11,902,081 | 1982 | 11,532,696 | 1981 | 11,152,130 | 1980 | 10,768,378 | 1979 | 10,366,159 | 1978 | 9,933,131 | 1977 | 9,509,660 | 1976 | 9,113,346 | 1975 | 8,742,017 | 1974 | 8,403,442 | 1973 | 8,076,704 | 1972 | 7,753,707 | 1971 | 7,452,051 | 1970 | 7,184,154 | 1969 | 6,960,003 | 1968 | 6,792,160 | 1967 | 6,666,820 | 1966 | 6,560,314 | 1965 | 6,449,522 | 1964 | 6,309,648 | 1963 | 6,110,363 | 1962 | 5,886,213 | 1961 | 5,716,581 | 1960 | 5,648,360 |
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