Year	2000 = 100
1980	73.06380906
1981	78.97108746
1982	48.60556114
1983	55.65285052
1984	22.95550051
1985	46.9473754
1986	43.94191375
1987	53.68375496
1988	62.02650195
1989	39.07099315
1990	77.72745645
1991	47.15465691
1992	61.14559907
1993	60.62741603
1994	70.47289385
1995	88.07772021
1996	96.89119171
1997	91.70466321
1998	102.0777202
1999	98.96373057
2000	100
2001	147.6683938
2002	153.8911917
2003	115.5440415
2004	93.2642487
2005	129.5336788
2006	150.2590674
2007	181.3471503
2008	217.6165803
2009	225.388601
2010	233.1606218
2011	269.4300518
2012	279.7927461
2013	269.4300518
2014	264.2487047
2015	227.9792746
2016	227.9792746
2017	134.7150259
2018	176.1658031