Year base year varies by country 1990 54.0734473822019 1991 53.0555017602274 1992 51.1812350534266 1993 49.6325856848009 1994 53.2712435746739 1995 53.8522571403482 1996 53.958195300878 1997 54.4609326333143 1998 50.6174007406133 1999 51.9620198187796 2000 59.4042922614825 2001 57.406034092726 2002 59.3660767626763 2003 64.4730913758321 2004 71.5593834076986 2005 81.3880416954713 2006 88.584727776441 2007 96.0574100352347 2008 106.974422984568 2009 93.0742293518084 2010 100 2011 109.736753495957 2012 113.045059667271 2013 113.479310971696 2014 111.583204451318 2015 101.128603412684 2016 101.263999318563 2017 107.144644131306 2018 111.779250020115 2019 111.872319413731 2020 105.084939733005 2021 116.238852195097 2022 125.188159721779 2023 118.913830536365