Year | Value | 2022 | 83,722,250 | 2021 | 80,455,085 | 2020 | 74,979,895 | 2019 | 69,483,046 | 2018 | 64,148,070 | 2017 | 60,777,851 | 2016 | 60,837,797 | 2015 | 62,517,548 | 2014 | 64,125,021 | 2013 | 64,625,599 | 2012 | 63,785,190 | 2011 | 62,411,450 | 2010 | 60,743,115 | 2009 | 58,600,455 | 2008 | 56,184,368 | 2007 | 53,309,350 | 2006 | 50,247,638 | 2005 | 47,178,867 | 2004 | 44,157,135 | 2003 | 41,646,545 | 2002 | 39,609,596 | 2001 | 38,271,626 | 2000 | 37,502,828 | 1999 | 36,842,970 | 1998 | 36,201,848 | 1997 | 35,679,327 | 1996 | 35,163,226 | 1995 | 34,758,197 | 1994 | 34,577,669 | 1993 | 34,429,314 | 1992 | 34,054,356 | 1991 | 33,385,003 | 1990 | 32,599,025 | 1989 | 31,803,114 | 1988 | 30,958,550 | 1987 | 30,150,499 | 1986 | 29,405,292 | 1985 | 28,707,489 | 1984 | 28,095,654 | 1983 | 27,444,399 | 1982 | 26,712,364 | 1981 | 26,085,748 | 1980 | 25,489,377 | 1979 | 24,740,636 | 1978 | 23,930,070 | 1977 | 23,274,220 | 1976 | 22,760,447 | 1975 | 22,258,085 | 1974 | 21,866,387 | 1973 | 21,613,050 | 1972 | 21,262,048 | 1971 | 20,762,078 | 1970 | 20,228,865 | 1969 | 19,788,656 | 1968 | 19,385,778 | 1967 | 19,038,208 | 1966 | 18,761,659 | 1965 | 18,501,647 | 1964 | 18,218,892 | 1963 | 17,958,543 | 1962 | 17,725,452 | 1961 | 17,533,713 | 1960 | 17,395,341 |
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