Year 2015 = 100 2000 41.9671444086 2001 43.6221158526 2002 49.3296303277 2003 47.0751404737 2004 44.3419016067 2005 42.53487363 2006 54.2186683144 2007 52.2480269767 2008 51.8312787541 2009 62.8321073068 2010 64.2035827166 2011 59.5911944539 2012 77.0128607991 2013 79.428760697 2014 85.9462656099 2015 100 2016 1351.8466427578 2017 2387.913215056 2018 2503.5397022181 2019 2886.3423158048 2020 2015.3035966114 2021 1926.4198630971