Year | Value | 2022 | 3,744,205 | 2021 | 3,708,064 | 2020 | 3,665,987 | 2019 | 3,617,293 | 2018 | 3,563,994 | 2017 | 3,499,832 | 2016 | 3,411,838 | 2015 | 3,302,109 | 2014 | 3,179,400 | 2013 | 3,045,643 | 2012 | 2,909,218 | 2011 | 2,794,168 | 2010 | 2,716,365 | 2009 | 2,673,516 | 2008 | 2,654,793 | 2007 | 2,652,346 | 2006 | 2,622,410 | 2005 | 2,584,660 | 2004 | 2,567,007 | 2003 | 2,535,323 | 2002 | 2,496,180 | 2001 | 2,467,573 | 2000 | 2,408,405 | 1999 | 2,319,875 | 1998 | 2,219,572 | 1997 | 2,103,814 | 1996 | 1,987,407 | 1995 | 1,882,183 | 1994 | 1,788,671 | 1993 | 1,673,349 | 1992 | 1,529,330 | 1991 | 1,399,285 | 1990 | 1,281,928 | 1989 | 1,148,787 | 1988 | 1,054,274 | 1987 | 1,009,006 | 1986 | 979,138 | 1985 | 957,637 | 1984 | 943,869 | 1983 | 936,613 | 1982 | 935,489 | 1981 | 940,738 | 1980 | 951,458 | 1979 | 968,116 | 1978 | 988,585 | 1977 | 1,005,769 | 1976 | 1,014,135 | 1975 | 1,010,992 | 1974 | 999,644 | 1973 | 978,100 | 1972 | 948,965 | 1971 | 922,253 | 1970 | 904,012 | 1969 | 894,689 | 1968 | 893,127 | 1967 | 896,277 | 1966 | 895,460 | 1965 | 887,997 | 1964 | 875,690 | 1963 | 859,024 | 1962 | 839,014 | 1961 | 821,083 | 1960 | 809,338 |
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