Year base year varies by country 1990 44.9726228877316 1991 44.5572204707699 1992 44.1885243921272 1993 44.2257619549073 1994 59.2808159268277 1995 63.4974646827467 1996 66.1399226866361 1997 67.4480573730609 1998 69.3224597332747 1999 68.9582064472799 2000 69.8606348075027 2001 74.7473409396659 2002 76.1710126622088 2003 75.4680456710467 2004 75.3662127798861 2005 78.9241603068593 2006 81.2015106401352 2007 86.5516446823608 2008 93.6631975518463 2009 92.0811899138836 2010 93.5585550646654 2011 97.1675486175666 2012 100.348922575133 2013 101.539191722068 2014 100 2015 101.069784619646 2016 102.035657531319 2017 102.646766253698 2018 101.784898362616 2019 103.907929657529 2020 105.57329719868 2021 107.101266154924 2022 116.453416313767 2023 122.625004733985