Year 2015 = 100 2000 39.0262091318 2001 44.3937248166 2002 47.3918336807 2003 50.8203672494 2004 61.8601102646 2005 64.7201570842 2006 74.1968645196 2007 83.6183002668 2008 87.0768006565 2009 72.4765917578 2010 85.2588302291 2011 90.9790569088 2012 87.7674977453 2013 87.6323515831 2014 93.5404501604 2015 100 2016 102.2970398968 2017 108.729564711 2018 113.5923850687 2019 113.3223697524 2020 105.9758090501 2021 115.0265607891