Year | Value | 2022 | 101.83040188368 | 2021 | 99.966489005202 | 2020 | 99.923541619405 | 2019 | 99.846158977395 | 2018 | 101.25545056583 | 2017 | 99.954043508425 | 2016 | 101.27759541739 | 2015 | 100.56863069754 | 2014 | 100.94974794221 | 2013 | 101.05422350125 | 2012 | 101.53006660466 | 2011 | 100.56768250184 | 2010 | 98.399090053842 | 2009 | 97.685793988346 | 2008 | 96.133631894577 | 2007 | 94.893944577489 | 2006 | 95.135253937315 | 2005 | 95.652965929308 | 2004 | 93.434031670845 | 2003 | 92.977218960257 | 2002 | 90.933151946985 | 2001 | 90.655336449374 | 2000 | 91.402207531405 | 1999 | 91.509344763466 | 1998 | 92.678088218205 | 1997 | 93.161984351169 | 1996 | 93.945123086116 | 1995 | 93.200336888249 | 1994 | 94.71288939823 | 1993 | 95.756522144957 | 1992 | 99.357174872025 | 1991 | 101.18413330418 | 1990 | 101.06421574556 | 1989 | 101.68120059145 | 1988 | 99.513835486099 | 1987 | 99.264575580365 | 1986 | 98.146523535323 | 1985 | 98.717486479526 | 1984 | 97.957351290685 | 1983 | 99.765454850059 | 1982 | 99.899539751887 | 1981 | 98.54204429033 | 1980 | 100.84083548742 | 1979 | 98.115965398144 | 1978 | 96.221610600639 | 1977 | 100.16124432857 | 1976 | 100.4888497265 | 1975 | 105.90486430496 | 1974 | 103.04857221679 | 1973 | 98.454768432606 | 1972 | 98.539948558136 | 1971 | 100.53012502966 | 1970 | 100.35389725724 |
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