Year	2015 = 100
2000	66.9433305541
2001	62.6294930682
2002	63.165499774
2003	66.7977591622
2004	72.3006861392
2005	84.7720420504
2006	88.705461783
2007	91.6816751661
2008	90.8673209303
2009	84.6506737251
2010	88.1311229512
2011	93.5718162886
2012	94.3390405453
2013	94.9736961881
2014	94.6301168408
2015	100
2016	98.9198856957
2017	99.557361661
2018	96.0880710848
2019	98.3512366454
2020	96.0625949971
2021	87.6229945545