Year | Value | 2022 | 44,496,122 | 2021 | 43,533,592 | 2020 | 42,556,984 | 2019 | 41,563,520 | 2018 | 40,590,700 | 2017 | 39,621,162 | 2016 | 38,697,943 | 2015 | 37,757,813 | 2014 | 36,746,488 | 2013 | 35,481,800 | 2012 | 33,864,447 | 2011 | 32,378,061 | 2010 | 31,264,875 | 2009 | 30,289,040 | 2008 | 29,218,381 | 2007 | 28,660,887 | 2006 | 28,905,607 | 2005 | 28,698,684 | 2004 | 27,858,948 | 2003 | 27,068,823 | 2002 | 26,255,343 | 2001 | 25,425,663 | 2000 | 24,628,858 | 1999 | 23,820,734 | 1998 | 23,053,488 | 1997 | 22,330,770 | 1996 | 21,639,332 | 1995 | 20,948,858 | 1994 | 20,248,073 | 1993 | 19,295,818 | 1992 | 18,385,673 | 1991 | 17,846,378 | 1990 | 17,658,381 | 1989 | 17,442,590 | 1988 | 16,987,346 | 1987 | 16,598,019 | 1986 | 16,148,221 | 1985 | 15,753,856 | 1984 | 15,377,032 | 1983 | 14,903,737 | 1982 | 14,467,682 | 1981 | 14,067,260 | 1980 | 13,653,369 | 1979 | 13,233,830 | 1978 | 12,819,707 | 1977 | 12,400,190 | 1976 | 11,999,342 | 1975 | 11,617,622 | 1974 | 11,243,146 | 1973 | 10,872,139 | 1972 | 10,507,315 | 1971 | 10,154,928 | 1970 | 9,811,347 | 1969 | 9,476,737 | 1968 | 9,156,132 | 1967 | 8,848,502 | 1966 | 8,553,883 | 1965 | 8,270,544 | 1964 | 7,997,655 | 1963 | 7,735,824 | 1962 | 7,481,832 | 1961 | 7,260,714 | 1960 | 7,084,678 |
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