Year base year varies by country 1990 64.7026604068857 1991 65.6808132723631 1992 66.263892579682 1993 67.4340474748031 1994 68.6784827753224 1995 71.5637435733581 1996 71.5077263620953 1997 72.9953886693017 1998 75.256740211389 1999 75.954397199198 2000 77.1984021907639 2001 79.7485594552121 2002 80.5015966299992 2003 80.6544882458928 2004 81.1405615921659 2005 81.8943097112338 2006 82.6483297959808 2007 84.9238703116913 2008 87.5032093293515 2009 89.0554333285967 2010 89.3430206329985 2011 91.6869645751331 2012 94.4137095410741 2013 96.8290902887039 2014 98.4089763225236 2015 100 2016 100.087425458293 2017 100.907404599895 2018 102.927405630847 2019 104.467770034843 2020 106.175482731397 2021 108.721525356096 2022 114.574871059559 2023 120.071707840288