Year base year varies by country 2000 39.93996100543954 2001 35.237215904756575 2002 37.395679330065676 2003 41.75423484041379 2004 46.46053505146096 2005 51.53066803188688 2006 55.24074796976497 2007 67.68524899583836 2008 69.10412725623273 2009 67.60912550761282 2010 70.18816370523828 2011 81.8347290794015 2012 87.81010170270316 2013 92.04499453651418 2014 92.56683860971339 2015 94.83247030315893 2016 92.74850166861978 2017 94.97785676793714 2018 96.94517925335785 2019 103.26743958228843 2020 110.45789589958255 2021 113.59379142289576 2022 124.27869531873358