Year base year varies by country 1994 58.9445018015306 1995 63.5331678852648 1996 65.1949552950992 1997 62.6954465373354 1998 59.327312823579 1999 57.5300861420567 2000 63.5375760459321 2001 65.0273347603059 2002 65.9948516260623 2003 64.5920556655224 2004 61.4559922917845 2005 61.4905426828746 2006 64.8068033254813 2007 67.8982395758987 2008 79.4466134776931 2009 80.9185474735831 2010 91.5968149016278 2011 96.5612017343256 2012 99.3303201727929 2013 105.030262894728 2014 103.849722739791 2015 100 2016 101.278022483729 2017 104.544659004726 2018 104.228941739988 2019 108.241202855518 2020 110.645133714221 2021 120.552267719366 2022 122.580748321075 2023 117.751815726595