Year	Index (2000=100)
1980	131.09924
1981	145.09235
1982	95.78994
1983	59.18999
1984	48.45704
1985	35.4616
1986	26.04897
1987	29.94024
1988	31.46062
1989	36.61414
1990	57.32502
1991	61.55961
1992	64.90236
1993	54.71664
1994	54.99929
1995	64.49867
1996	78.27617
1997	78.28004
1998	50.03931
1999	65.42799
2000	100
2001	87.73056
2002	93.38811
2003	120.1878
2004	162.40285
2005	232.92603
2006	272.36054
2007	300.74744
2008	404.03469
2009	247.88178
2010	323.70884
2011	470.07592
2012	500.62617
2013	484.47727
2014	441.20318
2015	262.36435
2016	234.97931
