Year base year varies by country 2002 74.609804352605 2003 77.7729352800174 2004 79.1692244730919 2005 83.1786771964462 2006 86.844262295082 2007 89.4608341810783 2008 92.8813559322034 2009 95.850704784594 2010 96.078431372549 2011 96.6828322017459 2012 100 2013 100.840493089279 2014 102.935779816514 2015 105.532302092812 2016 107.193460490463 2017 108.264314007922 2018 109.858387799564 2019 112.537630600319 2020 117.078962992282 2021 120.884235020361 2022 127.490774907749