Year | Value | 2022 | 81,254,572 | 2021 | 76,989,556 | 2020 | 72,621,029 | 2019 | 68,029,003 | 2018 | 64,053,073 | 2017 | 60,880,732 | 2016 | 58,555,972 | 2015 | 57,130,630 | 2014 | 56,383,421 | 2013 | 56,070,058 | 2012 | 55,898,366 | 2011 | 55,343,345 | 2010 | 54,427,174 | 2009 | 53,346,917 | 2008 | 52,044,048 | 2007 | 50,596,907 | 2006 | 49,158,561 | 2005 | 47,925,751 | 2004 | 46,938,463 | 2003 | 46,087,760 | 2002 | 45,194,879 | 2001 | 44,214,239 | 2000 | 43,143,995 | 1999 | 42,007,163 | 1998 | 40,737,769 | 1997 | 39,291,379 | 1996 | 37,859,811 | 1995 | 36,390,551 | 1994 | 34,865,726 | 1993 | 33,423,250 | 1992 | 32,144,319 | 1991 | 31,055,753 | 1990 | 30,226,386 | 1989 | 29,705,879 | 1988 | 29,348,535 | 1987 | 29,086,386 | 1986 | 28,839,056 | 1985 | 28,454,872 | 1984 | 27,872,864 | 1983 | 27,178,752 | 1982 | 26,495,636 | 1981 | 25,850,288 | 1980 | 25,248,572 | 1979 | 24,582,683 | 1978 | 23,871,870 | 1977 | 23,168,389 | 1976 | 22,458,095 | 1975 | 21,706,480 | 1974 | 20,914,155 | 1973 | 20,091,171 | 1972 | 19,328,530 | 1971 | 18,622,714 | 1970 | 17,950,552 | 1969 | 17,371,560 | 1968 | 16,822,273 | 1967 | 16,254,795 | 1966 | 15,682,342 | 1965 | 15,146,311 | 1964 | 14,704,679 | 1963 | 14,453,610 | 1962 | 14,284,652 | 1961 | 14,153,128 | 1960 | 14,114,642 |
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