Year	2000 = 100
1981	721.05263
1982	617.64706
1983	600
1984	600
1985	339.02439
1986	273.80952
1987	220.93023
1988	252.17391
1989	273.46939
1990	251.85185
1991	222.80702
1992	177.58621
1993	160
1994	186.76471
1995	214.28571
1996	165.11628
1997	125.4902
1998	115.68627
1999	110.10101
2000	100
2001	105.36162
2002	97.73633
2003	101.55728
2004	97.83051
2005	102.46054
2006	112.32696
2007	105.52556
2008	116.30772
2009	110.13341
2010	103.30067
2011	103.18653
2012	106.66271
2013	105.05178
2014	102.17818
2015	95.00667
2016	88.12513