Year | Value | 2023 | 97.89347254038 | 2022 | 104.99913585175 | 2021 | 98.768088000817 | 2020 | 96.218963504781 | 2019 | 99.047579847392 | 2018 | 98.362776553049 | 2017 | 94.741565323075 | 2016 | 93.472849421793 | 2015 | 97.445748126098 | 2014 | 98.154901165588 | 2013 | 95.942540219665 | 2012 | 98.773919059623 | 2011 | 98.014404511697 | 2010 | 96.977840123461 | 2009 | 94.647473764077 | 2008 | 95.900837238352 | 2007 | 92.251279108415 | 2006 | 92.147360948702 | 2005 | 89.834779430076 | 2004 | 88.728797271857 | 2003 | 86.838048577486 | 2002 | 84.491412570575 | 2001 | 91.32052109017 | 2000 | 91.982877702162 | 1999 | 91.969395672898 | 1998 | 92.326649736273 | 1997 | 98.994770509907 | 1996 | 97.554264045516 | 1995 | 94.514019446688 | 1994 | 101.43861476022 | 1993 | 93.76314850959 | 1992 | 89.829535165415 | 1991 | 87.455182080508 | 1990 | 86.86127976799 | 1989 | 79.195007599112 | 1988 | 88.307610063521 | 1987 | 99.73705750657 | 1986 | 98.562949401267 | 1985 | 100.04512035044 | 1984 | 104.37881365241 | 1983 | 106.63104741036 | 1982 | 107.62061760556 | 1981 | 106.81441365677 | 1980 | 106.20437891086 | 1979 | 105.49784675992 | 1978 | 103.69440258943 | 1977 | 102.9873450374 | 1976 | 103.37834997127 | 1975 | 104.64505694737 | 1974 | 101.65042822997 |
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