Year | Value | 2022 | 651,640 | 2021 | 623,295 | 2020 | 597,086 | 2019 | 572,853 | 2018 | 550,523 | 2017 | 530,333 | 2016 | 511,404 | 2015 | 492,746 | 2014 | 473,795 | 2013 | 456,057 | 2012 | 440,154 | 2011 | 424,567 | 2010 | 409,330 | 2009 | 394,663 | 2008 | 380,570 | 2007 | 366,924 | 2006 | 353,918 | 2005 | 341,616 | 2004 | 329,614 | 2003 | 317,826 | 2002 | 306,426 | 2001 | 295,603 | 2000 | 285,424 | 1999 | 275,757 | 1998 | 266,538 | 1997 | 257,843 | 1996 | 249,849 | 1995 | 242,561 | 1994 | 235,050 | 1993 | 228,446 | 1992 | 224,501 | 1991 | 222,241 | 1990 | 220,575 | 1989 | 220,060 | 1988 | 219,456 | 1987 | 216,668 | 1986 | 212,653 | 1985 | 208,537 | 1984 | 204,746 | 1983 | 201,994 | 1982 | 201,476 | 1981 | 199,980 | 1980 | 195,385 | 1979 | 191,223 | 1978 | 187,795 | 1977 | 184,233 | 1976 | 180,972 | 1975 | 177,643 | 1974 | 174,181 | 1973 | 170,769 | 1972 | 167,458 | 1971 | 164,258 | 1970 | 161,166 | 1969 | 158,172 | 1968 | 155,265 | 1967 | 152,438 | 1966 | 149,677 | 1965 | 146,960 | 1964 | 144,287 | 1963 | 141,530 | 1962 | 138,679 | 1961 | 136,000 | 1960 | 133,496 |
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