Year base year varies by country 1997 62.0778463671336 1998 70.18377572836299 1999 70.23955654800365 2000 71.62855850462707 2001 73.49347489852201 2002 76.39691491452746 2003 80.86331890503925 2004 82.50475057999122 2005 86.36986646244421 2006 88.57944582842819 2007 92.22671138615456 2008 94.69159752791457 2009 97.0114953039174 2010 100 2011 103.00646152771564 2012 104.52296255291745 2013 106.53911672336052 2014 107.79971070359933 2015 109.0062599932241 2016 109.6034313179989 2017 110.88556761723476 2018 112.49684216318055 2019 113.64985632273074 2020 115.00017233171323 2021 117.54956079548285