Year | Value | 2022 | 72,418,061 | 2021 | 71,764,212 | 2020 | 71,569,381 | 2019 | 71,583,458 | 2018 | 71,656,422 | 2017 | 72,018,516 | 2016 | 72,594,205 | 2015 | 73,242,889 | 2014 | 74,181,429 | 2013 | 75,535,021 | 2012 | 77,048,291 | 2011 | 78,871,919 | 2010 | 82,092,643 | 2009 | 86,089,025 | 2008 | 89,333,788 | 2007 | 92,215,781 | 2006 | 94,320,282 | 2005 | 93,846,114 | 2004 | 91,604,411 | 2003 | 89,312,617 | 2002 | 87,312,966 | 2001 | 85,558,072 | 2000 | 83,871,277 | 1999 | 82,354,987 | 1998 | 80,782,439 | 1997 | 78,475,705 | 1996 | 76,337,455 | 1995 | 75,546,498 | 1994 | 76,050,287 | 1993 | 78,088,085 | 1992 | 81,089,344 | 1991 | 84,154,358 | 1990 | 87,280,621 | 1989 | 89,790,832 | 1988 | 91,090,530 | 1987 | 90,939,724 | 1986 | 89,818,611 | 1985 | 88,614,608 | 1984 | 87,353,565 | 1983 | 86,754,864 | 1982 | 86,171,737 | 1981 | 82,494,822 | 1980 | 76,310,011 | 1979 | 70,322,582 | 1978 | 64,511,514 | 1977 | 60,890,415 | 1976 | 61,225,174 | 1975 | 63,357,615 | 1974 | 65,329,431 | 1973 | 65,984,172 | 1972 | 65,034,984 | 1971 | 63,427,718 | 1970 | 61,383,367 | 1969 | 58,786,727 | 1968 | 55,954,932 | 1967 | 52,810,639 | 1966 | 49,752,255 | 1965 | 46,977,539 | 1964 | 44,521,336 | 1963 | 42,674,637 | 1962 | 41,112,447 | 1961 | 40,161,198 | 1960 | 39,927,211 |
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