Year	2015 = 100
2000	22.1332988267
2001	33.2672104277
2002	48.8947268337
2003	39.5697229781
2004	38.0089029526
2005	40.218681636
2006	42.291098101
2007	42.9025624858
2008	37.1366699063
2009	45.0208758209
2010	64.7698891347
2011	71.0130293987
2012	99.4619310285
2013	96.3228085043
2014	88.6791076849
2015	100
2016	88.6114734586
2017	91.7170287988
2018	90.307544872
2019	85.2418480098
2020	82.1528080946
2021	54.6131963195