Year | Value | 2022 | 56,052,796 | 2021 | 54,367,413 | 2020 | 52,699,602 | 2019 | 51,061,344 | 2018 | 49,461,668 | 2017 | 47,915,991 | 2016 | 46,465,823 | 2015 | 45,124,948 | 2014 | 43,833,921 | 2013 | 42,578,476 | 2012 | 41,381,866 | 2011 | 40,198,317 | 2010 | 39,045,234 | 2009 | 37,966,390 | 2008 | 36,914,748 | 2007 | 35,926,552 | 2006 | 35,029,125 | 2005 | 34,121,081 | 2004 | 33,207,946 | 2003 | 32,322,629 | 2002 | 31,435,790 | 2001 | 30,574,613 | 2000 | 29,769,248 | 1999 | 28,958,949 | 1998 | 28,126,521 | 1997 | 27,319,373 | 1996 | 26,553,790 | 1995 | 25,785,036 | 1994 | 24,925,109 | 1993 | 24,042,888 | 1992 | 23,221,489 | 1991 | 22,489,960 | 1990 | 21,862,223 | 1989 | 21,229,717 | 1988 | 20,558,697 | 1987 | 19,911,515 | 1986 | 19,312,534 | 1985 | 18,755,343 | 1984 | 18,206,176 | 1983 | 17,685,725 | 1982 | 17,203,128 | 1981 | 16,754,612 | 1980 | 16,314,034 | 1979 | 15,807,352 | 1978 | 15,254,717 | 1977 | 14,706,878 | 1976 | 14,211,085 | 1975 | 13,769,138 | 1974 | 13,358,370 | 1973 | 12,974,954 | 1972 | 12,620,194 | 1971 | 12,271,621 | 1970 | 11,920,957 | 1969 | 11,553,999 | 1968 | 11,196,325 | 1967 | 10,898,230 | 1966 | 10,650,498 | 1965 | 10,431,105 | 1964 | 10,246,352 | 1963 | 10,066,895 | 1962 | 9,851,543 | 1961 | 9,617,319 | 1960 | 9,385,650 |
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