Year	2000 = 100
1980	71.81844397
1981	65.66526328
1982	59.0997174
1983	50.12642021
1984	61.95339985
1985	55.22400369
1986	69.1816137
1987	55.40296442
1988	61.53469058
1989	54.85281735
1990	59.52592422
1991	63.8918046
1992	77.24147875
1993	79.26581694
1994	91.52084895
1995	108.342465
1996	119.2410174
1997	118.4416633
1998	115.8290559
1999	100.7676337
2000	100
2001	112.1171925
2002	122.0514447
2003	139.0633831
2004	154.7949709
2005	197.2374993
2006	201.9525924
2007	235.3538266
2008	288.4219967
2009	257.4221697
2010	298.1205375
2011	331.9414038
2012	353.3692831
2013	337.7077107
2014	352.6703009
2015	340.6352731
2016	328.4463583
2017	331.4716947
2018	351.0267951