Year base year varies by country 1995 53.65752785171085 1996 62.04274605008392 1997 68.54278695670327 1998 71.59873181855941 1999 69.43446672103643 2000 68.92857101185817 2001 69.02422510915953 2002 69.11700908459841 2003 68.59237416636971 2004 67.92161612534656 2005 72.20195336174629 2006 78.45378930719052 2007 85.07729394848785 2008 91.59619493216653 2009 89.55107609046519 2010 91.09686613997788 2011 96.52701598667224 2012 99.7603474122832 2013 101.25542163135171 2014 101.59717637865691 2015 100 2016 100.42449077220719 2017 104.68424127363191 2018 109.5959444602354 2019 111.9648595310611 2020 113.2799002165187 2021 125.77890882563611 2022 157.06028289393308 2023 160.56458973880186