Year	2000 = 100
1980	76.63277755
1981	74.20902806
1982	67.3200488
1983	61.42334282
1984	58.92639284
1985	50.70353802
1986	51.87474583
1987	46.31964213
1988	48.81659211
1989	66.83855226
1990	75.32167548
1991	69.01789345
1992	57.75518503
1993	59.17039447
1994	83.96909313
1995	89.52419683
1996	92.4847499
1997	94.87596584
1998	89.78121187
1999	85.49816999
2000	100
2001	104.4953233
2002	105.6308255
2003	129.9210248
2004	176.155917
2005	229.9078487
2006	321.3944693
2007	366.3407076
2008	530.7144368
2009	403.4451403
2010	520.6907686
2011	679.8065067
2012	915.3280195
2013	948.0825539
2014	1000.379504
2015	709.7129052
2016	576.0010435
2017	638.1507117
2018	729.1464839