Year 2015 = 100 1980 8.0808935709 1981 9.280776994 1982 9.4811222149 1983 9.4779918188 1984 9.6493219908 1985 8.847638162 1986 8.5870076073 1987 10.9594087502 1988 14.7645542436 1989 16.7142512067 1990 20.4564522149 1991 22.247710843 1992 24.2929016514 1993 28.6898935901 1994 34.5588776183 1995 41.9092449198 1996 44.2085698751 1997 44.5784949391 1998 34.2431453999 1999 37.3829643363 2000 45.2880509343 2001 39.0457758259 2002 39.1942170954 2003 45.851185249 2004 58.4336865367 2005 67.3361234215 2006 80.3501478265 2007 88.5783718507 2008 107.6384327099 2009 82.7316035454 2010 104.612721678 2011 123.1187364021 2012 127.8153373473 2013 125.5577510146 2014 127.2065366907 2015 100 2016 95.3724679519 2017 110.3795076171 2018 124.8389879813 2019 120.9293745707 2020 111.021223448 2021 136.7362973167