Year	maximum value in 2004 = 100
2012	0.9128458598
2013	0.6031832108
2014	0.6031832108
2015	0.7280656831
2016	0.7280656831
2017	0.7280656831
2018	0.7275360832
2019	0.7275360832
2020	0.6354334777