Year | Value | 2022 | 2,955,675 | 2021 | 3,026,411 | 2020 | 3,084,556 | 2019 | 3,143,172 | 2018 | 3,215,485 | 2017 | 3,310,366 | 2016 | 3,414,268 | 2015 | 3,514,872 | 2014 | 3,595,162 | 2013 | 3,638,360 | 2012 | 3,649,015 | 2011 | 3,624,814 | 2010 | 3,577,485 | 2009 | 3,529,907 | 2008 | 3,472,823 | 2007 | 3,410,369 | 2006 | 3,322,129 | 2005 | 3,161,856 | 2004 | 2,968,462 | 2003 | 2,795,320 | 2002 | 2,638,998 | 2001 | 2,535,877 | 2000 | 2,522,991 | 1999 | 2,560,509 | 1998 | 2,591,986 | 1997 | 2,631,548 | 1996 | 2,673,966 | 1995 | 2,707,268 | 1994 | 2,729,118 | 1993 | 2,750,781 | 1992 | 2,788,297 | 1991 | 2,840,685 | 1990 | 2,898,712 | 1989 | 2,953,354 | 1988 | 2,988,603 | 1987 | 2,985,944 | 1986 | 2,954,115 | 1985 | 2,911,077 | 1984 | 2,861,213 | 1983 | 2,809,648 | 1982 | 2,763,406 | 1981 | 2,715,314 | 1980 | 2,641,631 | 1979 | 2,537,468 | 1978 | 2,347,250 | 1977 | 2,086,989 | 1976 | 1,858,157 | 1975 | 1,699,530 | 1974 | 1,661,369 | 1973 | 1,785,102 | 1972 | 1,999,636 | 1971 | 2,208,327 | 1970 | 2,383,950 | 1969 | 2,487,127 | 1968 | 2,520,165 | 1967 | 2,523,352 | 1966 | 2,508,686 | 1965 | 2,475,509 | 1964 | 2,423,522 | 1963 | 2,368,183 | 1962 | 2,314,210 | 1961 | 2,258,467 | 1960 | 2,208,258 |
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