Year Index 2002 97.765 2003 110.706 2004 123.063 2005 136.288 2006 146.7 2007 160.005 2008 186.491 2009 181.467 2010 196.154 2011 216.432 2012 234.728 2013 239.993 2014 247.545 2015 254.144 2016 267.4 2017 272.125 2018 273.845 2019 279.13 2020 288.926 2021 301.943 2022 317.053 2023 332.913 2024 349.559