Year | Value | 2022 | 46,804,495 | 2021 | 45,575,739 | 2020 | 44,353,325 | 2019 | 43,219,105 | 2018 | 42,185,503 | 2017 | 41,194,700 | 2016 | 40,276,174 | 2015 | 39,330,336 | 2014 | 38,317,799 | 2013 | 37,321,124 | 2012 | 36,340,667 | 2011 | 35,367,302 | 2010 | 34,388,283 | 2009 | 33,381,846 | 2008 | 32,336,939 | 2007 | 31,254,656 | 2006 | 30,143,488 | 2005 | 29,034,755 | 2004 | 27,964,345 | 2003 | 26,966,832 | 2002 | 26,078,188 | 2001 | 25,302,718 | 2000 | 24,606,735 | 1999 | 23,959,608 | 1998 | 23,339,486 | 1997 | 22,739,452 | 1996 | 22,166,147 | 1995 | 21,573,720 | 1994 | 20,921,786 | 1993 | 20,290,130 | 1992 | 19,699,695 | 1991 | 19,079,887 | 1990 | 18,435,957 | 1989 | 17,791,148 | 1988 | 17,163,026 | 1987 | 16,573,389 | 1986 | 16,030,177 | 1985 | 15,614,085 | 1984 | 15,285,064 | 1983 | 14,951,825 | 1982 | 14,594,447 | 1981 | 14,202,262 | 1980 | 13,765,233 | 1979 | 13,293,972 | 1978 | 12,854,266 | 1977 | 12,486,253 | 1976 | 12,190,132 | 1975 | 11,916,971 | 1974 | 11,661,088 | 1973 | 11,409,612 | 1972 | 11,132,225 | 1971 | 10,832,788 | 1970 | 10,531,444 | 1969 | 10,241,613 | 1968 | 9,973,875 | 1967 | 9,732,120 | 1966 | 9,512,189 | 1965 | 9,303,846 | 1964 | 9,103,461 | 1963 | 8,912,536 | 1962 | 8,729,360 | 1961 | 8,555,207 | 1960 | 8,390,599 |
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