Year 2015 = 100 1980 23.368682915 1981 22.0446247128 1982 19.3142136515 1983 22.56381243 1984 25.3209815764 1985 31.6069240832 1986 27.953405238 1987 31.1258223155 1988 27.6932069085 2000 34.9889482106 2001 35.4291651964 2002 26.8796554031 2003 34.5585061608 2004 40.1169183836 2005 53.3744593734 2006 57.9571668508 2007 72.2867981846 2008 66.9275774807 2009 62.3679767397 2010 87.703483621 2011 85.724110361 2012 88.6231879285 2013 100.3542640803 2014 94.5491108409 2015 100 2016 102.2694278618 2017 123.1977501992 2018 121.1830743151 2019 121.275449372 2020 100.0628858815 2021 102.2664444592