Year | Value | 2022 | 53,874,192 | 2021 | 52,697,375 | 2020 | 51,344,409 | 2019 | 50,006,415 | 2018 | 48,695,734 | 2017 | 47,433,333 | 2016 | 46,256,335 | 2015 | 45,184,603 | 2014 | 44,183,505 | 2013 | 43,239,159 | 2012 | 42,320,658 | 2011 | 41,401,773 | 2010 | 40,501,509 | 2009 | 39,633,175 | 2008 | 38,803,409 | 2007 | 38,033,897 | 2006 | 37,321,052 | 2005 | 36,592,477 | 2004 | 35,854,914 | 2003 | 35,110,404 | 2002 | 34,297,320 | 2001 | 33,446,177 | 2000 | 32,644,987 | 1999 | 31,830,817 | 1998 | 30,977,598 | 1997 | 30,152,374 | 1996 | 29,370,394 | 1995 | 28,565,864 | 1994 | 27,654,026 | 1993 | 26,741,163 | 1992 | 25,934,240 | 1991 | 25,227,592 | 1990 | 24,602,127 | 1989 | 23,869,075 | 1988 | 23,254,538 | 1987 | 22,693,896 | 1986 | 22,136,320 | 1985 | 21,582,830 | 1984 | 21,040,918 | 1983 | 20,544,699 | 1982 | 20,090,109 | 1981 | 19,650,442 | 1980 | 19,187,561 | 1979 | 18,722,198 | 1978 | 18,278,669 | 1977 | 17,802,798 | 1976 | 17,310,401 | 1975 | 16,836,458 | 1974 | 16,399,712 | 1973 | 15,986,425 | 1972 | 15,607,595 | 1971 | 15,239,177 | 1970 | 14,862,586 | 1969 | 14,469,093 | 1968 | 14,053,423 | 1967 | 13,658,589 | 1966 | 13,311,775 | 1965 | 12,952,611 | 1964 | 12,587,735 | 1963 | 12,264,044 | 1962 | 11,971,314 | 1961 | 11,736,345 | 1960 | 11,613,263 |
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