Year 2015 = 100 1993 24.6415327292 1994 40.8824565022 1995 26.0849194708 1996 30.7617607647 1997 18.4698948743 1998 10.0398843583 1999 7.5396168916 2000 13.3555865095 2001 6.682674321 2002 20.5444155625 2003 2.4645994203 2004 3.9645386313 2005 3.5767828712 2006 3.4592419062 2007 3.149523196 2008 2.4505503182 2009 2.41115291 2010 2.4815710626 2011 68.5877626865 2012 80.3102692262 2013 54.4007620687 2014 109.5796411483 2015 100 2016 87.4016109117 2017 109.9632903341 2018 121.2259985544 2019 142.093278329 2020 99.5655211081 2021 90.6849691339