Year | Value | 2022 | 63,881,873 | 2021 | 67,546,115 | 2020 | 70,680,714 | 2019 | 73,026,895 | 2018 | 74,785,479 | 2017 | 75,780,071 | 2016 | 75,951,830 | 2015 | 75,936,083 | 2014 | 75,827,214 | 2013 | 75,476,148 | 2012 | 74,781,339 | 2011 | 73,940,283 | 2010 | 73,293,610 | 2009 | 72,511,656 | 2008 | 71,638,065 | 2007 | 70,909,126 | 2006 | 70,522,378 | 2005 | 70,637,826 | 2004 | 70,940,585 | 2003 | 71,256,690 | 2002 | 71,822,929 | 2001 | 72,602,325 | 2000 | 73,463,917 | 1999 | 74,605,178 | 1998 | 76,122,264 | 1997 | 77,729,947 | 1996 | 79,592,825 | 1995 | 82,711,127 | 1994 | 86,489,571 | 1993 | 89,598,345 | 1992 | 92,510,566 | 1991 | 94,817,871 | 1990 | 94,921,927 | 1989 | 93,491,808 | 1988 | 91,887,868 | 1987 | 90,494,794 | 1986 | 89,333,247 | 1985 | 88,235,450 | 1984 | 87,319,435 | 1983 | 86,357,881 | 1982 | 84,670,492 | 1981 | 83,130,150 | 1980 | 82,911,188 | 1979 | 83,945,223 | 1978 | 86,430,809 | 1977 | 89,837,090 | 1976 | 93,309,923 | 1975 | 96,711,730 | 1974 | 99,383,396 | 1973 | 100,820,915 | 1972 | 100,784,187 | 1971 | 99,662,152 | 1970 | 98,359,168 | 1969 | 97,186,418 | 1968 | 96,695,188 | 1967 | 96,213,841 | 1966 | 92,723,629 | 1965 | 86,665,837 | 1964 | 80,862,892 | 1963 | 75,248,828 | 1962 | 71,574,842 | 1961 | 72,482,051 | 1960 | 76,532,184 |
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