Year | Value | 2022 | 47,249,585 | 2021 | 45,853,778 | 2020 | 44,404,611 | 2019 | 42,949,080 | 2018 | 41,515,395 | 2017 | 40,127,085 | 2016 | 38,748,299 | 2015 | 37,477,356 | 2014 | 36,336,539 | 2013 | 35,273,570 | 2012 | 34,273,295 | 2011 | 33,295,738 | 2010 | 32,341,728 | 2009 | 31,412,520 | 2008 | 30,509,862 | 2007 | 29,629,804 | 2006 | 28,773,227 | 2005 | 27,946,588 | 2004 | 27,146,084 | 2003 | 26,354,736 | 2002 | 25,545,090 | 2001 | 24,763,325 | 2000 | 24,020,697 | 1999 | 23,279,247 | 1998 | 22,537,658 | 1997 | 21,876,935 | 1996 | 21,249,572 | 1995 | 20,680,831 | 1994 | 20,125,021 | 1993 | 19,462,958 | 1992 | 18,801,966 | 1991 | 18,171,935 | 1990 | 17,586,630 | 1989 | 17,028,543 | 1988 | 16,489,323 | 1987 | 15,974,216 | 1986 | 15,486,807 | 1985 | 15,038,915 | 1984 | 14,617,944 | 1983 | 14,228,932 | 1982 | 13,880,052 | 1981 | 13,563,558 | 1980 | 13,284,026 | 1979 | 13,011,511 | 1978 | 12,701,999 | 1977 | 12,369,253 | 1976 | 12,045,227 | 1975 | 11,730,959 | 1974 | 11,428,676 | 1973 | 11,146,099 | 1972 | 10,885,563 | 1971 | 10,616,338 | 1970 | 10,317,212 | 1969 | 10,006,526 | 1968 | 9,696,370 | 1967 | 9,393,432 | 1966 | 9,104,743 | 1965 | 8,829,056 | 1964 | 8,564,755 | 1963 | 8,311,013 | 1962 | 8,068,828 | 1961 | 7,838,440 | 1960 | 7,617,746 |
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