Year | Value | 2022 | 55,441,746 | 2021 | 54,302,696 | 2020 | 53,187,498 | 2019 | 52,043,445 | 2018 | 50,926,384 | 2017 | 49,827,667 | 2016 | 48,740,780 | 2015 | 47,687,037 | 2014 | 46,703,825 | 2013 | 45,765,340 | 2012 | 44,812,533 | 2011 | 43,854,945 | 2010 | 42,900,709 | 2009 | 42,170,961 | 2008 | 41,478,745 | 2007 | 40,786,251 | 2006 | 40,105,212 | 2005 | 39,430,017 | 2004 | 38,746,005 | 2003 | 38,054,174 | 2002 | 37,362,913 | 2001 | 36,667,813 | 2000 | 35,966,026 | 1999 | 35,242,317 | 1998 | 34,493,483 | 1997 | 33,734,268 | 1996 | 32,971,674 | 1995 | 32,243,018 | 1994 | 31,555,475 | 1993 | 30,880,736 | 1992 | 30,216,051 | 1991 | 29,566,274 | 1990 | 28,924,064 | 1989 | 27,761,997 | 1988 | 26,547,689 | 1987 | 25,374,637 | 1986 | 24,246,183 | 1985 | 23,150,127 | 1984 | 22,083,483 | 1983 | 21,044,533 | 1982 | 20,040,743 | 1981 | 19,073,882 | 1980 | 18,136,025 | 1979 | 17,445,651 | 1978 | 16,812,072 | 1977 | 16,195,524 | 1976 | 15,614,689 | 1975 | 15,075,460 | 1974 | 14,510,333 | 1973 | 13,953,485 | 1972 | 13,404,972 | 1971 | 12,868,595 | 1970 | 12,345,882 | 1969 | 11,917,821 | 1968 | 11,517,638 | 1967 | 11,124,127 | 1966 | 10,741,366 | 1965 | 10,367,862 | 1964 | 10,002,669 | 1963 | 9,647,454 | 1962 | 9,302,111 | 1961 | 8,965,574 | 1960 | 8,630,667 |
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