Year | Value | 2022 | 90,141,866 | 2021 | 86,975,885 | 2020 | 81,536,854 | 2019 | 76,032,685 | 2018 | 70,504,007 | 2017 | 66,849,521 | 2016 | 66,589,699 | 2015 | 67,909,892 | 2014 | 69,184,254 | 2013 | 69,451,804 | 2012 | 68,344,831 | 2011 | 66,680,653 | 2010 | 64,734,375 | 2009 | 62,290,233 | 2008 | 59,544,105 | 2007 | 56,479,774 | 2006 | 53,421,650 | 2005 | 50,351,555 | 2004 | 47,207,837 | 2003 | 44,475,201 | 2002 | 42,208,508 | 2001 | 40,719,259 | 2000 | 40,085,996 | 1999 | 39,967,957 | 1998 | 40,160,896 | 1997 | 40,459,207 | 1996 | 40,364,794 | 1995 | 39,902,811 | 1994 | 39,313,406 | 1993 | 38,562,285 | 1992 | 37,636,067 | 1991 | 36,656,271 | 1990 | 35,883,756 | 1989 | 35,316,757 | 1988 | 34,778,607 | 1987 | 34,208,821 | 1986 | 33,550,442 | 1985 | 32,708,557 | 1984 | 31,754,871 | 1983 | 30,622,454 | 1982 | 29,303,051 | 1981 | 28,099,211 | 1980 | 27,017,352 | 1979 | 25,900,819 | 1978 | 24,884,799 | 1977 | 24,076,028 | 1976 | 23,394,865 | 1975 | 22,853,133 | 1974 | 22,577,563 | 1973 | 22,465,134 | 1972 | 22,329,221 | 1971 | 22,130,153 | 1970 | 21,834,895 | 1969 | 21,422,669 | 1968 | 20,917,154 | 1967 | 20,447,784 | 1966 | 20,072,131 | 1965 | 19,713,330 | 1964 | 19,358,643 | 1963 | 19,079,082 | 1962 | 18,811,620 | 1961 | 18,541,224 | 1960 | 18,360,882 |
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