Year	2015 = 100
1980	71.2384542292
1981	64.487599138
1982	58.2571165766
1983	75.4635400475
1984	69.8768592367
1985	68.4648036402
1986	45.1950260092
1987	49.2228488323
1988	50.7071808505
1989	40.2723696621
1990	52.2206403926
1991	57.2793080261
1992	56.2963869247
1993	65.7081137559
1994	58.4366542571
1995	39.4605375135
1996	43.9424155767
1997	58.2441921768
1998	58.5697566505
1999	64.7040997911
2000	76.5727908626
2001	78.3512855115
2002	82.4844192078
2003	84.5412349705
2004	87.3062554001
2005	86.9848338361
2006	90.1664996084
2007	94.4225405211
2008	99.0038223721
2009	83.5948135763
2010	93.6266806833
2011	99.84564855
2012	97.1229400239
2013	99.3200055149
2014	96.4395085692
2015	100
2016	100.0272937587
2017	104.3322066426
2018	103.6744842726
2019	104.3076964579
2020	88.4903803307
2021	108.5835177305