Year | Value | 2022 | 219.08033622103 | 2021 | 196.46148949935 | 2020 | 182.97555508697 | 2019 | 172.73043558488 | 2018 | 161.25598196436 | 2017 | 151.38426230021 | 2016 | 140.12625323233 | 2015 | 130.67968936056 | 2014 | 122.34957375507 | 2013 | 115.48077783219 | 2012 | 109.25423695106 | 2011 | 104.79588266183 | 2010 | 100 | 2009 | 95.193054636521 | 2008 | 91.040247486835 | 2007 | 87.166853329448 | 2006 | 82.725224560467 | 2005 | 81.05825869524 | 2004 | 77.317173120485 | 2003 | 67.699306447993 | 2002 | 57.846405413819 | 2001 | 53.261091598188 | 2000 | 50.971163115798 | 1999 | 50.544081013429 | 1998 | 48.687916491594 | 1997 | 48.151418961434 | 1996 | 46.848456615223 | 1995 | 46.338964928564 | 1994 | 43.315145688779 | 1993 | 42.586823146538 | 1992 | 40.001222439431 | 1991 | 36.535286916359 | 1990 | 33.628957016338 | 1989 | 29.980940857705 | 1988 | 27.689620321527 | 1987 | 24.791364333481 | 1986 | 20.069239471495 | 1985 | 12.818866518468 | 1984 | 10.834076226569 | 1983 | 8.8732292598279 | 1982 | 8.0201786981262 | 1981 | 7.2347819505463 | 1980 | 6.8288590657486 | 1979 | 6.3925894083853 | 1978 | 6.0234167436311 | 1977 | 5.533413810005 | 1976 | 4.9234158398052 | 1975 | 4.2070649601526 | 1974 | 3.3409290928483 | 1973 | 3.0584419062197 | 1972 | 2.8605328395829 | 1971 | 2.63163046628 | 1970 | 2.5535870796262 | 1969 | 2.6053048262781 | 1968 | 2.480958186305 | 1967 | 2.3814435329838 | 1966 | 2.3483964529867 | 1965 | 2.3427952529893 | 1964 | 2.3146025463285 | 1963 | 2.4245727729852 | 1962 | 2.3175898529929 | 1961 | 2.2768877996672 |
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