Year | Value | 2022 | 64,404,560 | 2021 | 68,557,949 | 2020 | 72,070,565 | 2019 | 74,736,464 | 2018 | 76,779,235 | 2017 | 77,977,912 | 2016 | 78,275,047 | 2015 | 78,390,868 | 2014 | 78,389,785 | 2013 | 78,083,074 | 2012 | 77,358,380 | 2011 | 76,441,591 | 2010 | 75,719,580 | 2009 | 74,823,505 | 2008 | 73,786,275 | 2007 | 72,879,147 | 2006 | 72,298,656 | 2005 | 72,200,524 | 2004 | 72,271,908 | 2003 | 72,361,523 | 2002 | 72,722,265 | 2001 | 73,320,412 | 2000 | 74,030,402 | 1999 | 75,045,679 | 1998 | 76,472,798 | 1997 | 78,012,621 | 1996 | 79,826,594 | 1995 | 83,037,776 | 1994 | 86,966,651 | 1993 | 90,094,541 | 1992 | 92,927,187 | 1991 | 95,059,258 | 1990 | 94,732,655 | 1989 | 92,679,302 | 1988 | 90,462,786 | 1987 | 88,504,344 | 1986 | 86,823,295 | 1985 | 85,253,877 | 1984 | 83,950,391 | 1983 | 82,677,372 | 1982 | 80,672,724 | 1981 | 78,830,560 | 1980 | 78,364,069 | 1979 | 79,157,444 | 1978 | 81,433,768 | 1977 | 84,663,423 | 1976 | 88,013,624 | 1975 | 91,383,919 | 1974 | 94,100,037 | 1973 | 95,618,824 | 1972 | 95,615,733 | 1971 | 94,582,033 | 1970 | 93,396,552 | 1969 | 92,196,519 | 1968 | 91,720,913 | 1967 | 91,283,664 | 1966 | 87,592,675 | 1965 | 81,208,129 | 1964 | 75,206,448 | 1963 | 69,394,458 | 1962 | 65,636,401 | 1961 | 66,698,063 | 1960 | 70,981,453 |
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