Year | Value | 2024 | 99.501860278442 | 2023 | 97.727581223596 | 2022 | 99.554535969466 | 2021 | 99.437470020957 | 2020 | 99.394974523666 | 2019 | 100.64441948726 | 2018 | 99.606204383944 | 2017 | 99.281798633034 | 2016 | 99.600323990112 | 2015 | 101.15324310059 | 2014 | 102.66152017502 | 2013 | 102.30149603543 | 2012 | 101.35919546988 | 2011 | 100.7693798165 | 2010 | 101.04100856267 | 2009 | 100.40323333653 | 2008 | 100.18956839168 | 2007 | 98.637261167382 | 2006 | 97.29306728403 | 2005 | 96.599136675814 | 2004 | 96.586729449775 | 2003 | 97.778817311608 | 2002 | 99.157176859476 | 2001 | 102.1928636822 | 2000 | 102.26366534804 | 1999 | 101.85236994708 | 1998 | 102.37758426375 | 1997 | 102.6089101002 | 1996 | 102.17517210961 | 1995 | 101.92670992225 | 1994 | 99.648606942062 | 1993 | 98.59277652727 | 1992 | 97.516751466709 | 1991 | 99.236804564907 | 1990 | 98.761121388978 | 1989 | 96.531658339983 | 1988 | 101.58835810596 | 1987 | 100.50121953467 | 1986 | 101.97082274565 | 1985 | 100.27290584355 | 1984 | 104.74148311822 | 1983 | 104.60901559389 | 1982 | 104.51167711542 | 1981 | 102.53670076118 | 1980 | 101.2327477271 | 1979 | 103.72593036134 | 1978 | 101.45267615532 | 1977 | 100.56673045477 | 1976 | 102.06870729763 | 1975 | 99.545973928731 |
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