Year | Value | 2022 | 32,915,417 | 2021 | 31,946,713 | 2020 | 31,018,750 | 2019 | 30,068,169 | 2018 | 29,146,410 | 2017 | 28,296,564 | 2016 | 27,455,056 | 2015 | 26,649,290 | 2014 | 25,959,269 | 2013 | 25,355,017 | 2012 | 24,762,866 | 2011 | 24,104,876 | 2010 | 23,417,907 | 2009 | 22,729,129 | 2008 | 22,017,858 | 2007 | 21,299,770 | 2006 | 20,551,836 | 2005 | 19,816,413 | 2004 | 19,150,300 | 2003 | 18,514,320 | 2002 | 17,869,844 | 2001 | 17,250,989 | 2000 | 16,704,495 | 1999 | 16,192,025 | 1998 | 15,712,083 | 1997 | 15,325,562 | 1996 | 14,997,918 | 1995 | 14,653,709 | 1994 | 14,267,498 | 1993 | 13,886,049 | 1992 | 13,488,825 | 1991 | 13,074,117 | 1990 | 12,702,284 | 1989 | 12,328,918 | 1988 | 11,956,248 | 1987 | 11,594,413 | 1986 | 11,234,630 | 1985 | 10,909,261 | 1984 | 10,597,702 | 1983 | 10,296,694 | 1982 | 10,010,207 | 1981 | 9,754,570 | 1980 | 9,541,276 | 1979 | 9,297,038 | 1978 | 8,983,026 | 1977 | 8,665,585 | 1976 | 8,388,717 | 1975 | 8,149,628 | 1974 | 7,930,822 | 1973 | 7,730,974 | 1972 | 7,600,606 | 1971 | 7,517,820 | 1970 | 7,405,284 | 1969 | 7,271,969 | 1968 | 7,142,430 | 1967 | 6,986,505 | 1966 | 6,814,384 | 1965 | 6,650,314 | 1964 | 6,496,661 | 1963 | 6,356,461 | 1962 | 6,226,016 | 1961 | 6,093,215 | 1960 | 5,954,872 |
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