Year	2000 = 100
1980	172.6692411
1981	122.7125857
1982	110.20569
1983	97.2574671
1984	87.85562298
1985	97.04468437
1986	60.76917015
1987	62.93640161
1988	52.58885649
1989	63.31468201
1990	104.2241311
1991	88.53337536
1992	85.05792419
1993	67.33391126
1994	61.98281977
1995	70.52823487
1996	77.82073648
1997	75.87973659
1998	47.40126047
1999	62.55991953
2000	100
2001	86.55130684
2002	77.03490656
2003	115.1005076
2004	160.3878856
2005	246.4205447
2006	316.3785421
2007	369.1043111
2008	488.0003772
2009	290.370841
2010	382.4840791
2011	149.7791818
2012	479.5605639
2013	361.6232103
2014	163.6569381
2015	89.52174391
2016	74.22949377
2017	144.4276801
2018	167.012856