Year | Value | 2022 | 40,004,114 | 2021 | 39,041,816 | 2020 | 38,071,174 | 2019 | 37,085,653 | 2018 | 36,104,145 | 2017 | 35,125,630 | 2016 | 34,173,988 | 2015 | 33,200,681 | 2014 | 32,179,597 | 2013 | 31,146,760 | 2012 | 30,088,982 | 2011 | 29,009,519 | 2010 | 27,916,718 | 2009 | 26,852,011 | 2008 | 25,862,144 | 2007 | 24,971,122 | 2006 | 24,181,185 | 2005 | 23,472,642 | 2004 | 22,815,512 | 2003 | 22,190,595 | 2002 | 21,579,464 | 2001 | 20,967,947 | 2000 | 20,354,618 | 1999 | 19,743,145 | 1998 | 19,132,786 | 1997 | 18,543,447 | 1996 | 17,997,065 | 1995 | 17,458,568 | 1994 | 16,904,272 | 1993 | 16,383,784 | 1992 | 15,893,877 | 1991 | 15,396,340 | 1990 | 14,919,041 | 1989 | 14,479,864 | 1988 | 14,084,545 | 1987 | 13,723,090 | 1986 | 13,368,091 | 1985 | 13,047,455 | 1984 | 12,733,217 | 1983 | 12,411,399 | 1982 | 12,114,610 | 1981 | 11,833,470 | 1980 | 11,545,244 | 1979 | 11,272,669 | 1978 | 11,016,115 | 1977 | 10,728,445 | 1976 | 10,425,765 | 1975 | 10,117,957 | 1974 | 9,813,389 | 1973 | 9,537,694 | 1972 | 9,302,188 | 1971 | 9,092,243 | 1970 | 8,892,816 | 1969 | 8,703,555 | 1968 | 8,520,983 | 1967 | 8,343,172 | 1966 | 8,174,213 | 1965 | 8,014,156 | 1964 | 7,858,907 | 1963 | 7,706,794 | 1962 | 7,558,767 | 1961 | 7,415,094 | 1960 | 7,274,165 |
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