Year	2000 = 100
1981	721.0526316
1982	617.6470588
1983	600
1984	600
1985	339.0243902
1986	273.8095238
1987	220.9302326
1988	252.173913
1989	273.4693878
1990	251.8518519
1991	222.8070175
1992	177.5862069
1993	160
1994	186.7647059
1995	214.2857143
1996	165.1162791
1997	125.4901961
1998	115.6862745
1999	110.1010101
2000	100
2001	105.3609627
2002	97.73602266
2003	101.5583761
2004	97.88785014
2005	106.1414572
2006	117.2186838
2007	110.5560241
2008	121.1745569
2009	116.5948389
2010	109.3698524
2011	109.2263504
2012	112.977512
2013	112.6006625
2014	109.5097734
2015	101.8755561
2016	94.55465381
2017	98.87739503
2018	99.54632097