Year	2015 = 100
1980	330.5677370859
1981	258.0817204444
1982	248.738987974
1983	249.8026744384
1984	277.3599164661
1985	300.0750540168
1986	302.4052765544
1987	296.5054087868
1988	288.1226611006
1989	192.3028754263
1990	194.6943971546
1991	162.9953601782
1992	154.1786902273
1993	156.0362647729
1994	162.7533339114
1995	160.4968198395
1996	145.1602437618
1997	149.2476532252
1998	158.3743278226
1999	153.4171973316
2000	147.1705678908
2001	148.9213825517
2002	147.4466707668
2003	145.3100213386
2004	141.2736306424
2005	136.0414683828
2006	130.9074631817
2007	127.2025464775
2008	91.426908627
2009	118.3171545235
2010	114.4001499754
2011	94.9614527346
2012	98.349807696
2013	92.2150916705
2014	95.0101638526
2015	100
2016	98.7885107818
2017	100.2024842726
2018	98.8458098175
2019	99.9385154922
2020	101.0348531894
2021	92.0139602486