Year 2010 = 100 1996 54.9164962614521 1997 58.8084315981958 1998 62.0897333457769 1999 65.5322314323316 2000 67.3659536273786 2001 68.189694240947 2002 72.08299564836 2003 75.2568331699587 2004 77.5176801275968 2005 80.701525592811 2006 83.8023536050849 2007 85.3608626750717 2008 93.8030501898917 2009 96.3863250802141 2010 100 2011 102.877243584959 2012 105.736292389859 2013 107.559608314025 2014 109.423600300128 2015 110.990121099896 2016 110.746934413771 2017 110.982350206885 2018 110.765815014162 2019 112.516117965437 2020 111.688750943651 2021 113.070878047339 2022 117.301112781727 2023 124.18798049845