Year	2000 = 100
1980	131
1981	116
1982	106.5217391
1983	102.020202
1984	102.4390244
1985	100
1986	93.15068493
1987	63.73626374
1988	101.0638298
1989	100
1990	100
1991	88.70967742
1992	100.8196721
1993	100
1994	100
1995	100
1996	100
1997	100
1998	100
1999	99.05660377
2000	100
2001	100.2904341
2002	101.5324782
2003	94.93380291
2004	88.36092692
2005	85.90703565
2006	83.76710786
2007	81.88417285
2008	75.19473325
2009	81.63228213
2010	76.97937633
2011	73.67023329
2012	76.92078071
2013	76.11515522
2014	77.96682739
2015	84.81667712
2016	85.94006692
2017	80.24621209
2018	76.85152323