Year base year varies by country 1990 46.1820261531368 1991 48.0115992490427 1992 50.4356466647399 1993 52.9448726432419 1994 54.2961566965021 1995 55.8234102945643 1996 57.4488013095562 1997 58.7573525791955 1998 59.6950020636921 1999 61.0398367845006 2000 64.9878588505917 2001 65.0683573154559 2002 63.2084353262636 2003 62.0591149996795 2004 64.2778501234669 2005 71.3664631747495 2006 72.4390086333333 2007 73.8456172294495 2008 78.2410593451384 2009 79.682328058404 2010 79.6308946347406 2011 80.0609864981633 2012 85.7845364987005 2013 91.9572343209086 2014 95.6927213892013 2015 101.912842067192 2016 107.418644536083 2017 106.598842540251 2018 104.411485987845 2019 101.196712074421 2020 101.460596565667 2021 104.027865461404 2022 110.072746124619 2023 118.935855418952