Year | Value | 2022 | 113.10856152735 | 2021 | 104.34803962107 | 2020 | 101.85653837445 | 2019 | 102.51099191728 | 2018 | 102.25497511685 | 2017 | 100.80788677796 | 2016 | 100.27465973335 | 2015 | 101.72852997423 | 2014 | 103.90746716088 | 2013 | 105.33474116353 | 2012 | 105.75709022173 | 2011 | 103.28944939564 | 2010 | 100 | 2009 | 97.627609223749 | 2008 | 97.310109057615 | 2007 | 92.969361731269 | 2006 | 90.814646356501 | 2005 | 88.768803000936 | 2004 | 86.552908903008 | 2003 | 84.618349748387 | 2002 | 81.255146120273 | 2001 | 79.041082835425 | 2000 | 77.511743642528 | 1999 | 74.429143335943 | 1998 | 73.235406214645 | 1997 | 71.639488089771 | 1996 | 69.146517946994 | 1995 | 67.146280695557 | 1994 | 65.434629946003 | 1993 | 62.498100859712 | 1992 | 59.604785242722 | 1991 | 55.961564538476 | 1990 | 53.278829292622 | 1989 | 50.983523225253 | 1988 | 49.133414106522 | 1987 | 47.504362988239 | 1986 | 46.214216121513 | 1985 | 45.657933890389 | 1984 | 43.469482915196 | 1983 | 41.012060311905 | 1982 | 39.040620536876 | 1981 | 36.681005798392 | 1980 | 33.122133985127 | 1979 | 29.177982522435 | 1978 | 26.655393807554 | 1977 | 24.810420641027 | 1976 | 23.116778965627 | 1975 | 22.258836653501 | 1974 | 21.271928540854 | 1973 | 18.309983537329 | 1972 | 16.98374302731 | 1971 | 16.200867901454 | 1970 | 15.556217303089 | 1969 | 15.191590532102 | 1968 | 14.837688078014 | 1967 | 14.299089056941 | 1966 | 14.198995433399 | 1965 | 14.127499988114 | 1964 | 14.098901810001 | 1963 | 14.141799077314 | 1962 | 13.870116385232 | 1961 | 13.855817296176 | 1960 | 13.941611830517 |
|