Year | Value | 2022 | 822 | 2021 | 810 | 2020 | 789 | 2019 | 769 | 2018 | 756 | 2017 | 745 | 2016 | 735 | 2015 | 724 | 2014 | 715 | 2013 | 705 | 2012 | 694 | 2011 | 671 | 2010 | 650 | 2009 | 644 | 2008 | 638 | 2007 | 630 | 2006 | 617 | 2005 | 597 | 2004 | 577 | 2003 | 559 | 2002 | 547 | 2001 | 533 | 2000 | 522 | 1999 | 508 | 1998 | 494 | 1997 | 480 | 1996 | 467 | 1995 | 459 | 1994 | 446 | 1993 | 431 | 1992 | 416 | 1991 | 400 | 1990 | 390 | 1989 | 387 | 1988 | 394 | 1987 | 407 | 1986 | 409 | 1985 | 397 | 1984 | 380 | 1983 | 361 | 1982 | 341 | 1981 | 323 | 1980 | 308 | 1979 | 295 | 1978 | 282 | 1977 | 272 | 1976 | 258 | 1975 | 241 | 1974 | 227 | 1973 | 218 | 1972 | 214 | 1971 | 209 | 1970 | 207 | 1969 | 206 | 1968 | 203 | 1967 | 202 | 1966 | 199 | 1965 | 195 | 1964 | 193 | 1963 | 192 | 1962 | 192 | 1961 | 194 | 1960 | 196 |
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