Year	2015 = 100
2011	96.9265937439
2012	101.4963317976
2013	88.067343277
2014	86.9855913676
2015	100
2016	105.8550309317
2017	95.66710197
2018	98.8770458957
2019	86.6266330001
2020	86.9274961951
2021	64.0259963554