Year base year varies by country 1990 53.4963250138279 1991 57.8396408973877 1992 53.9270614360383 1993 55.4547200169566 1994 60.6768462319228 1995 65.725751131384 1996 67.8281209557236 1997 68.455101417066 1998 69.3769550327548 1999 73.4086999400951 2000 75.9240090117518 2001 82.4762388334418 2002 85.9160389683392 2003 90.3079201154226 2004 93.3678791220254 2005 93.6628111268488 2006 96.5764398644833 2007 100 2008 103.144289798654 2009 104.161334899665 2010 105.90619607405 2011 109.131769227966 2012 113.792222410481 2013 115.786040841334 2014 116.752906226233 2015 116.142452070674 2016 118.134279802429 2017 118.609763350194 2018 120.787044749501 2019 125.871099458733 2020 126.714018429374 2021 126.789511343671 2022 133.335193434419 2023 137.619642896165