Year	2000 = 100
1980	20.85908624
1981	21.63903144
1982	21.70682268
1983	28.52275758
1984	23.67197834
1985	11.24717537
1986	8.501994241
1987	9.026523532
1988	16.87265862
1989	20.65699895
1990	15.80630537
1991	17.58500766
1992	32.13291939
1993	32.07966643
1994	35.66496786
1995	28.47425939
1996	39.01513055
1997	30.73709541
1998	30.53192951
1999	47.44245625
2000	100
2001	104.3160751
2002	121.5361448
2003	135.0312727
2004	159.4683316
2005	148.0278444
2006	146.1174882
2007	207.8073651
2008	201.8173329
2009	204.282825
2010	223.0490029
2011	143.3483111
2012	60.26981181
2013	76.33706371
2014	68.65925598
2015	71.07533161
2016	74.12755122
2017	86.08939108
2018	70.80402443