Year | Value | 2022 | 52,516,124 | 2021 | 51,185,567 | 2020 | 49,828,969 | 2019 | 48,536,668 | 2018 | 47,353,551 | 2017 | 46,193,966 | 2016 | 45,015,627 | 2015 | 43,890,547 | 2014 | 42,852,465 | 2013 | 41,836,003 | 2012 | 40,850,754 | 2011 | 39,890,136 | 2010 | 38,951,249 | 2009 | 38,062,821 | 2008 | 37,213,905 | 2007 | 36,404,186 | 2006 | 35,581,420 | 2005 | 34,691,389 | 2004 | 33,761,559 | 2003 | 32,809,423 | 2002 | 31,810,403 | 2001 | 30,831,098 | 2000 | 29,917,364 | 1999 | 29,033,061 | 1998 | 28,211,096 | 1997 | 27,508,894 | 1996 | 26,885,073 | 1995 | 26,241,169 | 1994 | 25,518,706 | 1993 | 24,762,182 | 1992 | 23,989,604 | 1991 | 23,246,424 | 1990 | 22,573,701 | 1989 | 21,903,758 | 1988 | 21,248,442 | 1987 | 20,619,802 | 1986 | 20,011,726 | 1985 | 19,440,011 | 1984 | 18,889,869 | 1983 | 18,348,583 | 1982 | 17,821,581 | 1981 | 17,354,057 | 1980 | 16,965,638 | 1979 | 16,562,581 | 1978 | 16,110,140 | 1977 | 15,673,656 | 1976 | 15,264,820 | 1975 | 14,857,220 | 1974 | 14,406,749 | 1973 | 13,934,948 | 1972 | 13,543,758 | 1971 | 13,296,842 | 1970 | 13,084,287 | 1969 | 12,840,966 | 1968 | 12,608,694 | 1967 | 12,334,981 | 1966 | 12,027,506 | 1965 | 11,726,753 | 1964 | 11,439,321 | 1963 | 11,180,781 | 1962 | 10,952,690 | 1961 | 10,738,541 | 1960 | 10,530,048 |
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