Year | Value | 2022 | 43,165,968 | 2021 | 43,060,270 | 2020 | 43,202,445 | 2019 | 43,150,862 | 2018 | 43,037,128 | 2017 | 42,994,570 | 2016 | 43,077,898 | 2015 | 43,227,843 | 2014 | 43,435,535 | 2013 | 43,558,037 | 2012 | 43,520,340 | 2011 | 43,405,870 | 2010 | 43,298,006 | 2009 | 43,085,324 | 2008 | 42,847,936 | 2007 | 42,669,049 | 2006 | 42,699,089 | 2005 | 42,905,039 | 2004 | 43,124,369 | 2003 | 43,267,240 | 2002 | 43,336,488 | 2001 | 43,166,658 | 2000 | 42,947,682 | 1999 | 42,953,130 | 1998 | 43,040,881 | 1997 | 43,068,821 | 1996 | 43,170,884 | 1995 | 43,234,003 | 1994 | 43,019,631 | 1993 | 42,660,305 | 1992 | 42,251,883 | 1991 | 41,761,845 | 1990 | 41,237,629 | 1989 | 40,753,146 | 1988 | 40,198,820 | 1987 | 39,638,914 | 1986 | 39,287,241 | 1985 | 38,855,016 | 1984 | 38,327,261 | 1983 | 38,127,661 | 1982 | 38,094,827 | 1981 | 37,584,060 | 1980 | 36,414,821 | 1979 | 35,128,450 | 1978 | 33,869,650 | 1977 | 32,492,498 | 1976 | 31,257,568 | 1975 | 30,822,839 | 1974 | 30,675,564 | 1973 | 30,196,481 | 1972 | 29,715,992 | 1971 | 29,455,107 | 1970 | 29,127,143 | 1969 | 28,758,671 | 1968 | 28,514,892 | 1967 | 28,368,914 | 1966 | 28,245,759 | 1965 | 28,266,774 | 1964 | 28,479,999 | 1963 | 28,574,251 | 1962 | 28,495,727 | 1961 | 28,318,928 | 1960 | 27,929,910 |
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