Year 2010 = 100 2001 41.0286645662338 2002 46.8381786423992 2003 51.6766974480441 2004 55.7225110752132 2005 61.7596878842971 2006 66.2937420712195 2007 73.8458566737493 2008 86.7610898516829 2009 93.2053939200936 2010 100 2011 108.488167518494 2012 115.899848080648 2013 124.681935170635 2014 136.976961508544 2015 147.590891046088 2016 160.629437395094 2017 180.579023030836 2018 223.129788020628