Year	2015 = 100
1980	23.6217460328
1981	19.0897180314
1982	22.5750931295
1983	19.6196216851
1984	18.5862990976
1985	16.3536495147
1986	18.7471867518
1987	23.7646226328
1988	19.6647891584
1989	22.4124630165
1990	19.239495008
1991	24.6580020418
1992	12.7170283317
1993	13.9073006059
1994	13.3375078417
1995	15.2683321397
1996	13.0898262886
1997	30.9385720872
1998	48.2725118775
1999	51.1212762141
2000	48.4337899709
2001	42.4493397777
2002	43.3789670351
2003	52.6364457224
2004	56.6018714629
2005	65.3935013849
2006	69.3694227277
2007	69.0753873399
2008	61.3644490463
2009	67.0132962102
2010	67.8112226546
2011	87.9600272793
2012	84.7676818364
2013	97.2300497564
2014	102.3964826653
2015	100
2016	116.0681397381
2017	108.522327927
2018	117.1325911292
2019	129.5772646842
2020	77.3793353964
2021	101.0000737303
