Year | Value | 2022 | 496,966 | 2021 | 493,313 | 2020 | 489,091 | 2019 | 484,178 | 2018 | 477,697 | 2017 | 468,154 | 2016 | 454,619 | 2015 | 437,053 | 2014 | 415,296 | 2013 | 389,271 | 2012 | 360,452 | 2011 | 331,528 | 2010 | 305,031 | 2009 | 282,513 | 2008 | 264,717 | 2007 | 251,335 | 2006 | 241,148 | 2005 | 232,657 | 2004 | 224,867 | 2003 | 217,612 | 2002 | 211,639 | 2001 | 206,981 | 2000 | 202,563 | 1999 | 198,031 | 1998 | 193,490 | 1997 | 186,896 | 1996 | 164,964 | 1995 | 141,386 | 1994 | 189,793 | 1993 | 241,529 | 1992 | 237,346 | 1991 | 234,293 | 1990 | 230,972 | 1989 | 227,343 | 1988 | 222,855 | 1987 | 216,232 | 1986 | 208,101 | 1985 | 200,269 | 1984 | 193,577 | 1983 | 185,616 | 1982 | 175,204 | 1981 | 163,823 | 1980 | 152,011 | 1979 | 140,325 | 1978 | 130,846 | 1977 | 123,106 | 1976 | 115,614 | 1975 | 109,344 | 1974 | 104,500 | 1973 | 101,075 | 1972 | 98,960 | 1971 | 97,973 | 1970 | 97,720 | 1969 | 97,972 | 1968 | 98,686 | 1967 | 99,565 | 1966 | 100,488 | 1965 | 101,447 | 1964 | 102,386 | 1963 | 103,372 | 1962 | 103,736 | 1961 | 103,200 | 1960 | 101,747 |
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