Year 2015 = 100 1995 23.9954170417 1996 41.0976051694 1997 36.5166619213 1998 28.7072443765 1999 27.1366352649 2000 23.5329599038 2001 24.5538558275 2002 21.1595950194 2003 23.2275636865 2004 29.5972562135 2005 31.988072308 2006 38.2181551197 2007 55.3184847084 2008 80.9476580767 2009 78.7312755763 2010 75.8210066917 2011 91.3758481798 2012 105.0060565202 2013 114.6368309356 2014 121.5018805657 2015 100 2016 98.8472181914 2017 105.0144967104 2018 151.0599544715 2019 190.7980726197 2020 173.9220037141 2021 207.1491134004