Year	Index (2000=100)
1980	24.00872
1981	23.66533
1982	20.56634
1983	23.00678
1984	25.66689
1985	29.05043
1986	16.99343
1987	29.31555
1988	31.46183
1989	38.05214
1990	49.03475
1991	43.54786
1992	48.3896
1993	36.61919
1994	38.08497
1995	45.97904
1996	64.32269
1997	63.20869
1998	44.72756
1999	65.09948
2000	100
2001	82.48958
2002	105.13824
2003	120.03535
2004	170.11741
2005	304.36814
2006	402.24972
2007	560.48731
2008	806.89307
2009	515.43871
2010	638.74385
2011	849.77023
2012	897.52935
2013	861.58967
2014	747.00019
2015	418.90077
2016	344.73173
