Year | Value | 2022 | 73,178,274 | 2021 | 72,189,258 | 2020 | 71,107,676 | 2019 | 70,083,536 | 2018 | 69,146,216 | 2017 | 68,271,669 | 2016 | 67,395,000 | 2015 | 66,465,669 | 2014 | 65,449,512 | 2013 | 64,302,485 | 2012 | 63,014,602 | 2011 | 61,651,261 | 2010 | 60,257,740 | 2009 | 58,850,963 | 2008 | 57,465,637 | 2007 | 56,151,243 | 2006 | 54,918,162 | 2005 | 53,689,343 | 2004 | 52,459,446 | 2003 | 51,205,775 | 2002 | 49,903,933 | 2001 | 48,740,487 | 2000 | 47,792,931 | 1999 | 46,871,500 | 1998 | 45,981,448 | 1997 | 45,143,221 | 1996 | 44,275,291 | 1995 | 43,379,957 | 1994 | 42,428,341 | 1993 | 41,441,824 | 1992 | 40,485,850 | 1991 | 39,670,607 | 1990 | 38,989,566 | 1989 | 38,101,352 | 1988 | 37,408,765 | 1987 | 36,703,195 | 1986 | 35,926,197 | 1985 | 35,169,093 | 1984 | 34,394,562 | 1983 | 33,621,204 | 1982 | 32,854,062 | 1981 | 32,118,617 | 1980 | 31,463,232 | 1979 | 30,737,336 | 1978 | 29,935,846 | 1977 | 29,178,430 | 1976 | 28,421,849 | 1975 | 27,671,779 | 1974 | 26,971,091 | 1973 | 26,299,795 | 1972 | 25,646,632 | 1971 | 25,005,868 | 1970 | 24,367,854 | 1969 | 23,773,822 | 1968 | 23,238,292 | 1967 | 22,723,519 | 1966 | 22,221,197 | 1965 | 21,726,877 | 1964 | 21,237,872 | 1963 | 20,727,993 | 1962 | 20,192,133 | 1961 | 19,676,621 | 1960 | 19,198,322 |
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