Year | Value | 2022 | 75,818,475 | 2021 | 77,595,064 | 2020 | 80,672,149 | 2019 | 84,437,027 | 2018 | 87,443,328 | 2017 | 90,125,929 | 2016 | 92,058,035 | 2015 | 91,506,068 | 2014 | 89,244,080 | 2013 | 86,900,971 | 2012 | 84,856,727 | 2011 | 83,088,554 | 2010 | 81,491,825 | 2009 | 80,207,614 | 2008 | 78,940,694 | 2007 | 76,911,578 | 2006 | 74,970,371 | 2005 | 74,267,197 | 2004 | 74,770,038 | 2003 | 76,769,802 | 2002 | 79,699,285 | 2001 | 82,680,994 | 2000 | 85,640,501 | 1999 | 87,944,928 | 1998 | 89,112,788 | 1997 | 88,823,282 | 1996 | 87,542,612 | 1995 | 86,203,851 | 1994 | 84,827,538 | 1993 | 84,114,025 | 1992 | 83,438,129 | 1991 | 79,762,349 | 1990 | 73,710,076 | 1989 | 67,856,341 | 1988 | 62,181,736 | 1987 | 58,663,402 | 1986 | 58,937,704 | 1985 | 60,976,708 | 1984 | 62,921,729 | 1983 | 63,610,988 | 1982 | 62,746,264 | 1981 | 61,284,876 | 1980 | 59,465,056 | 1979 | 57,010,798 | 1978 | 54,204,579 | 1977 | 51,082,478 | 1976 | 48,099,685 | 1975 | 45,393,384 | 1974 | 42,845,738 | 1973 | 40,795,691 | 1972 | 39,092,381 | 1971 | 37,885,775 | 1970 | 37,141,690 | 1969 | 36,641,078 | 1968 | 36,387,136 | 1967 | 36,361,781 | 1966 | 36,250,807 | 1965 | 36,093,016 | 1964 | 36,158,260 | 1963 | 36,277,034 | 1962 | 36,031,852 | 1961 | 35,568,600 | 1960 | 35,257,808 |
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