Year	2015 = 100
1980	15.732201631
1981	16.9055984566
1982	16.119890191
1983	17.0392534372
1984	22.0974928718
1985	22.8292902561
1986	24.0907363924
1987	24.1307032088
1988	25.3856219056
1989	26.9139831406
1990	25.8424725817
1991	26.0253769014
1992	27.5762804835
1993	31.9865698456
1994	35.3530321906
1995	35.2572919113
1996	37.9219661508
1997	44.5460712603
1998	49.0637737748
1999	56.1330708798
2000	67.3896208569
2001	65.3907925023
2002	68.2556590264
2003	71.9616500736
2004	79.808955843
2005	84.2938720467
2006	88.9455117898
2007	89.9492086247
2008	86.5749210172
2009	72.4326147039
2010	83.1057039419
2011	86.246800751
2012	88.6778067231
2013	89.3450052795
2014	93.5536004513
2015	100
2016	100.5123008172
2017	104.5304937586
2018	110.0678857635
2019	109.4765656964
2020	105.2315963028
2021	117.9272525229
