Year	maximum value in 2004 = 100
2006	106.7126567958
2007	117.9017761774
2008	118.4558760366
2009	118.6376554664
2010	129.556949515
2011	132.4579758986
2012	133.8154206143
2013	136.0112695419
2014	137.1612175342
2015	141.2827640334
2016	138.8543553807
2017	148.6562163354
2018	153.3767454106
2019	158.6153205517
2020	162.3664733057
2021	171.1774765271