Year	2015 = 100
2000	44.1210909695
2001	39.7231665474
2002	42.8835389742
2003	56.7830461478
2004	54.9318047211
2005	68.6217802601
2006	61.2239676849
2007	58.244509106
2008	63.7253559771
2009	74.7526343975
2010	70.065842257
2011	69.4491095292
2012	84.5354103831
2013	94.0677742931
2014	86.4798924261
2015	100
2016	64.366098785
2017	63.7444072436
2018	72.556321786
2019	82.614501842
2020	74.4049132117
2021	60.2522662203