Year | Value | 2022 | 56,302,084 | 2021 | 55,648,586 | 2020 | 54,461,656 | 2019 | 52,768,479 | 2018 | 50,846,829 | 2017 | 48,816,573 | 2016 | 46,833,404 | 2015 | 44,985,191 | 2014 | 43,277,084 | 2013 | 41,669,821 | 2012 | 40,093,600 | 2011 | 38,595,696 | 2010 | 37,112,169 | 2009 | 35,607,646 | 2008 | 34,081,337 | 2007 | 32,563,762 | 2006 | 31,130,916 | 2005 | 29,713,094 | 2004 | 28,293,393 | 2003 | 26,984,522 | 2002 | 25,864,518 | 2001 | 24,885,388 | 2000 | 24,035,605 | 1999 | 23,307,388 | 1998 | 22,626,703 | 1997 | 22,038,825 | 1996 | 21,543,495 | 1995 | 21,005,861 | 1994 | 20,344,399 | 1993 | 19,610,593 | 1992 | 18,889,242 | 1991 | 18,222,026 | 1990 | 17,576,334 | 1989 | 16,880,675 | 1988 | 16,173,067 | 1987 | 15,486,771 | 1986 | 14,810,109 | 1985 | 14,156,026 | 1984 | 13,528,935 | 1983 | 12,900,025 | 1982 | 12,283,370 | 1981 | 11,702,528 | 1980 | 11,141,556 | 1979 | 10,608,215 | 1978 | 10,109,870 | 1977 | 9,630,724 | 1976 | 9,183,361 | 1975 | 8,768,171 | 1974 | 8,381,301 | 1973 | 8,041,904 | 1972 | 7,762,122 | 1971 | 7,529,732 | 1970 | 7,316,421 | 1969 | 7,086,797 | 1968 | 6,812,360 | 1967 | 6,516,091 | 1966 | 6,247,003 | 1965 | 6,019,013 | 1964 | 5,825,041 | 1963 | 5,666,869 | 1962 | 5,541,911 | 1961 | 5,459,375 | 1960 | 5,422,412 |
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