Year | Value | 2022 | 69,153,990 | 2021 | 71,001,388 | 2020 | 74,040,859 | 2019 | 77,728,658 | 2018 | 80,750,302 | 2017 | 83,495,298 | 2016 | 85,563,645 | 2015 | 85,365,618 | 2014 | 83,592,123 | 2013 | 81,695,141 | 2012 | 80,030,845 | 2011 | 78,577,849 | 2010 | 77,224,837 | 2009 | 76,118,593 | 2008 | 75,020,617 | 2007 | 73,217,180 | 2006 | 71,503,770 | 2005 | 70,972,998 | 2004 | 71,605,092 | 2003 | 73,668,041 | 2002 | 76,604,527 | 2001 | 79,586,619 | 2000 | 82,563,311 | 1999 | 84,894,356 | 1998 | 86,092,045 | 1997 | 85,872,323 | 1996 | 84,702,260 | 1995 | 83,469,607 | 1994 | 82,169,057 | 1993 | 81,489,642 | 1992 | 80,853,002 | 1991 | 77,329,662 | 1990 | 71,511,634 | 1989 | 65,878,018 | 1988 | 60,415,587 | 1987 | 57,030,916 | 1986 | 57,302,153 | 1985 | 59,283,410 | 1984 | 61,202,044 | 1983 | 61,937,917 | 1982 | 61,190,154 | 1981 | 59,849,985 | 1980 | 58,138,289 | 1979 | 55,754,306 | 1978 | 52,919,563 | 1977 | 49,640,678 | 1976 | 46,454,667 | 1975 | 43,581,151 | 1974 | 40,878,059 | 1973 | 38,711,379 | 1972 | 36,992,658 | 1971 | 35,763,041 | 1970 | 34,874,556 | 1969 | 34,215,079 | 1968 | 33,791,946 | 1967 | 33,573,021 | 1966 | 33,366,911 | 1965 | 33,252,140 | 1964 | 33,410,852 | 1963 | 33,648,415 | 1962 | 33,583,136 | 1961 | 33,260,254 | 1960 | 32,950,992 |
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