Year base year varies by country 1990 25.1421953214173 1991 33.843188280874 1992 37.6385733305824 1993 43.5018770565725 1994 49.3522210974896 1995 54.233684135382 1996 56.6950569266351 1997 59.4100518261439 1998 62.2934098635476 1999 66.7879121118428 2000 73.1257729221478 2001 76.8709002536824 2002 79.8979398769046 2003 84.1527311026192 2004 88.9820273868025 2005 91.2449337678211 2006 93.8901919331207 2007 94.9375780223054 2008 97.6509651667098 2009 96.5170203928972 2010 97.0311630216514 2011 98.6582119057488 2012 99.9016680952591 2013 100.410546332587 2014 100.216974284798 2015 100 2016 99.4877041441055 2017 100.69727762903 2018 102.746253544415 2019 105.309072068109 2020 107.80574587746 2021 110.378073117488 2022 118.639053487881 2023 130.659397469938