Year	maximum value in 2004 = 100
2006	28.1235691425
2007	29.8851900639
2008	33.3138140725
2009	31.9030946737
2010	40.385610712
2011	40.1604498772
2012	42.3606178118
2013	42.9087713896
2014	45.1201029227
2015	42.6593306154
2016	51.8923475117
2017	55.7289775396
2018	55.4614900067
2019	52.6211088499
2020	60.7216445811
2021	59.2965321439