Year	2000 = 100
1980	66.40555824
1981	66.69424462
1982	47.72841544
1983	62.64069213
1984	70.13512585
1985	69.36352652
1986	66.83913681
1987	56.53601227
1988	53.73229585
1989	41.03326965
1990	44.13407589
1991	50.14066691
1992	55.07146822
1993	48.5218627
1994	57.82661405
1995	60.01373604
1996	68.71412448
1997	80.2982049
1998	86.9696271
1999	110.8405871
2000	100
2001	98.14221882
2002	100.7464205
2003	114.063984
2004	149.3465478
2005	197.6197947
2006	243.5136292
2007	309.5973721
2008	436.4428135
2009	319.6568104
2010	420.9726272
2011	630.2815552
2012	678.1517532
2013	658.7747404
2014	670.744534
2015	586.4471174
2016	545.6118587
2017	586.9767313
2018	515.9776178