Year | Value | 2022 | 1,119 | 2021 | 1,133 | 2020 | 1,143 | 2019 | 1,144 | 2018 | 1,135 | 2017 | 1,121 | 2016 | 1,099 | 2015 | 1,072 | 2014 | 1,044 | 2013 | 1,007 | 2012 | 969 | 2011 | 924 | 2010 | 876 | 2009 | 829 | 2008 | 779 | 2007 | 734 | 2006 | 700 | 2005 | 675 | 2004 | 657 | 2003 | 648 | 2002 | 641 | 2001 | 632 | 2000 | 619 | 1999 | 604 | 1998 | 588 | 1997 | 568 | 1996 | 552 | 1995 | 539 | 1994 | 527 | 1993 | 516 | 1992 | 507 | 1991 | 498 | 1990 | 489 | 1989 | 481 | 1988 | 470 | 1987 | 460 | 1986 | 448 | 1985 | 436 | 1984 | 425 | 1983 | 415 | 1982 | 403 | 1981 | 393 | 1980 | 383 | 1979 | 375 | 1978 | 368 | 1977 | 361 | 1976 | 352 | 1975 | 343 | 1974 | 338 | 1973 | 332 | 1972 | 328 | 1971 | 321 | 1970 | 311 | 1969 | 301 | 1968 | 294 | 1967 | 287 | 1966 | 280 | 1965 | 273 | 1964 | 263 | 1963 | 255 | 1962 | 248 | 1961 | 242 | 1960 | 233 |
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