Year base year varies by country 2000 73.52688380646529 2001 75.84084968930054 2002 77.67102573435015 2003 77.6315570434057 2004 79.02583433885488 2005 81.77595740574084 2006 85.0633145720565 2007 88.75127363616984 2008 95.44704829586279 2009 95.16712736096949 2010 95.90272252440245 2011 99.14237622182827 2012 100.50660207713071 2013 100.85865294995658 2014 100.46387813782917 2015 100 2016 99.34638601965008 2017 100.48554642802895 2018 102.13538781922023 2019 103.81852788841906 2020 103.99475639725331 2021 106.70102199800473 2022 121.95772963442066 2023 134.6814100374153