Year | Value | 2022 | 98.788377995168 | 2021 | 99.038444231729 | 2020 | 98.560960134404 | 2019 | 97.060086887893 | 2018 | 97.284814916033 | 2017 | 96.39593218706 | 2016 | 96.014967427002 | 2015 | 96.961483806577 | 2014 | 96.902309492082 | 2013 | 96.07241076266 | 2012 | 97.934834895413 | 2011 | 99.723246625423 | 2010 | 101.02488186451 | 2009 | 100.87148597758 | 2008 | 104.73547169505 | 2007 | 105.77812613025 | 2006 | 105.69452981253 | 2005 | 104.80375950146 | 2004 | 103.70021304645 | 2003 | 102.20587685381 | 2002 | 101.9911894038 | 2001 | 102.27391714325 | 2000 | 102.95561788127 | 1999 | 101.93344893516 | 1998 | 100.45755971748 | 1997 | 99.826679094417 | 1996 | 100.18049766661 | 1995 | 101.12117554083 | 1994 | 101.08780100249 | 1993 | 101.71079300445 | 1992 | 103.84947499041 | 1991 | 104.22111567798 | 1990 | 104.42641016705 | 1989 | 104.40728824188 | 1988 | 102.30163023831 | 1987 | 101.04483820717 | 1986 | 99.103396825488 | 1985 | 99.174889641725 | 1984 | 98.953959589293 | 1983 | 101.73794405239 | 1982 | 102.78586550107 | 1981 | 103.05518578202 | 1980 | 103.30512128389 | 1979 | 100.62086442935 | 1978 | 100.13699872937 | 1977 | 103.02699688132 | 1976 | 105.51511876618 | 1975 | 104.94672456476 | 1974 | 105.98427310292 | 1973 | 101.78032243214 | 1972 | 100.70102454807 | 1971 | 99.992375514345 | 1970 | 101.9119779809 |
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