Year	maximum value in 2004 = 100
2006	18.3577227318
2007	17.2485586554
2008	17.4475975059
2009	21.9815154685
2010	25.8010346442
2011	30.2003654591
2012	29.684378672
2013	30.4951239454
2014	30.8695086756
2015	31.7130422124
2016	37.7567804228
2017	37.8635238282
2018	38.3135022682
2019	40.1547594412
2020	39.2007414528
2021	40.4209107384