Year | Value | 2022 | 80,822,103 | 2021 | 79,649,791 | 2020 | 78,380,309 | 2019 | 77,070,208 | 2018 | 76,408,911 | 2017 | 75,855,056 | 2016 | 72,533,767 | 2015 | 66,909,203 | 2014 | 61,417,645 | 2013 | 56,110,592 | 2012 | 52,798,504 | 2011 | 53,021,758 | 2010 | 54,926,800 | 2009 | 56,745,273 | 2008 | 57,417,116 | 2007 | 56,650,328 | 2006 | 55,291,783 | 2005 | 53,531,082 | 2004 | 51,187,310 | 2003 | 48,584,003 | 2002 | 45,666,803 | 2001 | 42,795,148 | 2000 | 40,154,502 | 1999 | 37,644,578 | 1998 | 35,581,034 | 1997 | 33,851,973 | 1996 | 32,615,817 | 1995 | 31,854,076 | 1994 | 31,298,844 | 1993 | 30,934,171 | 1992 | 30,766,824 | 1991 | 30,540,083 | 1990 | 30,305,465 | 1989 | 30,197,058 | 1988 | 30,062,172 | 1987 | 29,677,839 | 1986 | 29,061,018 | 1985 | 28,403,786 | 1984 | 27,716,900 | 1983 | 26,921,426 | 1982 | 26,168,522 | 1981 | 25,488,740 | 1980 | 24,836,021 | 1979 | 24,273,658 | 1978 | 23,660,059 | 1977 | 22,956,140 | 1976 | 22,393,607 | 1975 | 21,857,842 | 1974 | 21,188,307 | 1973 | 20,506,549 | 1972 | 19,965,951 | 1971 | 19,512,883 | 1970 | 19,079,754 | 1969 | 18,807,118 | 1968 | 18,691,275 | 1967 | 18,484,465 | 1966 | 18,130,213 | 1965 | 17,755,702 | 1964 | 17,424,642 | 1963 | 17,110,852 | 1962 | 16,832,803 | 1961 | 16,737,405 | 1960 | 16,843,087 |
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