Year	2000 = 100
1980	58.59390048
1981	56.16693419
1982	54.43338684
1983	58.76725522
1984	47.3258427
1985	35.36436597
1986	35.36436597
1987	30.16853933
1988	39.43820225
1989	35.87640449
1990	40.53130016
1991	60.08346709
1992	67.45264848
1993	77.38362761
1994	95.23274478
1995	116.8218299
1996	121.0341894
1997	119.8548957
1998	113.4826645
1999	99.63467095
2000	100
2001	118.459069
2002	105.2969502
2003	117.4157303
2004	154.2375602
2005	154.6227929
2006	154.847512
2007	196.6452648
2008	268.9245586
2009	266.035313
2010	296.3081862
2011	333.0658106
2012	352.247191
2013	353.5152488
2014	354.4312841
2015	304.4150241
2016	310.8865329
2017	319.6016051
2018	327.3829053