Year | Value | 2022 | 71,556,379 | 2021 | 69,938,710 | 2020 | 68,322,987 | 2019 | 66,588,956 | 2018 | 64,777,988 | 2017 | 62,991,837 | 2016 | 61,239,729 | 2015 | 59,495,519 | 2014 | 57,762,494 | 2013 | 56,041,931 | 2012 | 54,226,792 | 2011 | 52,301,806 | 2010 | 50,346,377 | 2009 | 48,401,418 | 2008 | 46,325,837 | 2007 | 44,254,297 | 2006 | 42,387,001 | 2005 | 40,615,173 | 2004 | 38,942,195 | 2003 | 37,547,610 | 2002 | 36,419,478 | 2001 | 35,389,543 | 2000 | 34,498,332 | 1999 | 33,760,967 | 1998 | 33,156,091 | 1997 | 32,632,357 | 1996 | 32,111,467 | 1995 | 31,550,077 | 1994 | 30,962,683 | 1993 | 30,324,377 | 1992 | 29,625,209 | 1991 | 28,919,242 | 1990 | 28,223,937 | 1989 | 27,521,509 | 1988 | 26,831,825 | 1987 | 26,135,810 | 1986 | 25,444,504 | 1985 | 24,749,146 | 1984 | 24,051,704 | 1983 | 23,364,440 | 1982 | 22,693,854 | 1981 | 22,044,756 | 1980 | 21,437,476 | 1979 | 20,872,027 | 1978 | 20,326,268 | 1977 | 19,811,884 | 1976 | 19,330,446 | 1975 | 18,880,835 | 1974 | 18,471,435 | 1973 | 18,095,829 | 1972 | 17,742,308 | 1971 | 17,421,156 | 1970 | 17,114,356 | 1969 | 16,800,992 | 1968 | 16,495,366 | 1967 | 16,191,987 | 1966 | 15,862,990 | 1965 | 15,495,009 | 1964 | 15,078,701 | 1963 | 14,611,671 | 1962 | 14,123,503 | 1961 | 13,669,057 | 1960 | 13,286,467 |
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