Year | Value | 2022 | 68,185,445 | 2021 | 70,025,564 | 2020 | 73,064,619 | 2019 | 76,759,006 | 2018 | 79,792,523 | 2017 | 82,551,837 | 2016 | 84,634,221 | 2015 | 84,448,092 | 2014 | 82,684,487 | 2013 | 80,797,239 | 2012 | 79,142,989 | 2011 | 77,699,842 | 2010 | 76,357,569 | 2009 | 75,262,118 | 2008 | 74,175,405 | 2007 | 72,384,087 | 2006 | 70,680,024 | 2005 | 70,146,837 | 2004 | 70,762,666 | 2003 | 72,795,260 | 2002 | 75,674,615 | 2001 | 78,588,601 | 2000 | 81,507,660 | 1999 | 83,789,032 | 1998 | 84,949,122 | 1997 | 84,713,417 | 1996 | 83,548,510 | 1995 | 82,338,460 | 1994 | 81,073,730 | 1993 | 80,433,711 | 1992 | 79,847,872 | 1991 | 76,381,135 | 1990 | 70,603,560 | 1989 | 65,000,003 | 1988 | 59,555,837 | 1987 | 56,172,725 | 1986 | 56,452,650 | 1985 | 58,458,476 | 1984 | 60,408,550 | 1983 | 61,199,764 | 1982 | 60,535,377 | 1981 | 59,271,219 | 1980 | 57,594,201 | 1979 | 55,214,168 | 1978 | 52,367,709 | 1977 | 49,050,792 | 1976 | 45,806,634 | 1975 | 42,897,376 | 1974 | 40,184,381 | 1973 | 38,005,709 | 1972 | 36,277,669 | 1971 | 35,041,771 | 1970 | 34,146,383 | 1969 | 33,478,425 | 1968 | 33,048,471 | 1967 | 32,827,796 | 1966 | 32,627,402 | 1965 | 32,526,601 | 1964 | 32,706,217 | 1963 | 32,970,420 | 1962 | 32,936,107 | 1961 | 32,644,065 | 1960 | 32,362,702 |
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