Year	2015 = 100
1980	1.6210513973
1981	1.9382136271
1982	2.325856352
1983	2.6430185818
1984	2.8544600687
1985	3.400683909
1986	3.2773430415
1987	3.8059467583
1988	2.6253984583
1989	3.4183040325
1990	3.259722918
1991	2.9954210597
1992	4.7574334479
1993	7.6118935166
1994	9.939511877
1995	10.3747289451
1996	12.1508374247
1997	12.4398074594
1998	9.7404044854
1999	9.2470410128
2000	9.4316999108
2001	8.9910206123
2002	7.8747857649
2003	8.142787849
2004	12.5582146895
2005	15.5404206587
2006	18.6685212551
2007	18.7980291622
2008	24.7240468477
2009	25.7444105961
2010	36.305031848
2011	42.3621256305
2012	53.8315928708
2013	54.2865444693
2014	75.2596017254
2015	100
2016	94.6617897057
2017	99.8588099989
2018	111.2647566361
2019	110.5119721099
2020	94.6270780319
2021	110.566876393