Year base year varies by country 1994 57.08075894161752 1995 61.676692539419555 1996 63.85027438410902 1997 61.60526815985481 1998 58.63933799310479 1999 56.9821136331363 2000 59.654806874283175 2001 61.76197129713692 2002 61.00961930730008 2003 59.945264804656816 2004 62.406712567858136 2005 63.43251640463939 2006 68.06603362903728 2007 72.93162331776453 2008 82.54507560319654 2009 83.54468691861211 2010 94.34271492950066 2011 92.50601411229229 2012 91.26693396173734 2013 101.51704809801272 2014 104.6697455797557 2015 100 2016 100.10510046367851 2017 106.84016092220803 2018 107.13404226144601 2019 109.54993745902289 2020 112.58905092039207 2021 121.56093615238058 2022 122.54682561106225 2023 117.04099433057131