Year	maximum value in 2004 = 100
2006	84.278424343
2007	85.1021041711
2008	87.5425148978
2009	90.6669739009
2010	93.9991620741
2011	94.7584850843
2012	95.4198917645
2013	100.4242293369
2014	98.0985209602
2015	99.9240520934
2016	97.9873783538
2017	107.8204664979
2018	109.4661871753
2019	105.6283388223
2020	113.7749796022
2021	110.6756480462