Year base year varies by country 1990 38.9029855720536 1991 39.2184299337221 1992 39.927038770888 1993 40.4373208243503 1994 40.3311829968387 1995 41.9071158085909 1996 44.3264320008857 1997 43.9043110726747 1998 42.0364261673541 1999 45.5857202994423 2000 50.8096322341048 2001 49.6159576427597 2002 51.4868957958011 2003 53.5836516399235 2004 58.1390240203789 2005 67.747257577712 2006 75.8512856667249 2007 85.3584559810152 2008 101.178240015817 2009 85.8163681846663 2010 100 2011 113.16721937262 2012 118.463134171486 2013 117.338533638152 2014 116.554654320206 2015 97.5947016786959 2016 92.1982235222969 2017 96.795423462116 2018 104.477832329971 2019 101.140382628437 2020 88.9718744115971 2021 101.288936373193 2022 114.701148542998 2023 110.29307609876