Year	2015 = 100
2011	128.9756355959
2012	128.1769305268
2013	97.3672569856
2014	101.0634332293
2015	100
2016	106.4612814953
2017	92.4283957524
2018	107.9041228915
2019	77.4977332685
2020	67.1430794442
2021	52.5571899657
