Year	Index (2000=100)
1980	77.13434
1981	77.14176
1982	62.95385
1983	36.14615
1984	26.27975
1985	21.04396
1986	21.73077
1987	26.64835
1988	28.2967
1989	28.84615
1990	34.61538
1991	44.50549
1992	38.18681
1993	36.26374
1994	43.13049
1995	46.15385
1996	59.61538
1997	60.98901
1998	63.18681
1999	72.25275
2000	100
2001	193.13187
2002	222.52747
2003	287.08791
2004	413.14451
2005	489.83379
2006	654.15852
2007	662.65907
2008	728.91758
2009	589.88159
2010	824.17582
2011	990.14231
2012	1059.21374
2013	1105.4945
2014	1298.07692
2015	937.63736
2016	921.7033