Year	2000 = 100
1980	59.20920324
1981	53.66349477
1982	47.12228377
1983	45.61889883
1984	47.65260616
1985	48.60417554
1986	44.5389386
1987	58.66221654
1988	71.56445581
1989	71.37934952
1990	76.39520901
1991	88.96993798
1992	104.2333002
1993	99.1393268
1994	77.147943
1995	105.3485642
1996	111.3459503
1997	107.4044241
1998	107.2371151
1999	128.0224913
2000	100
2001	150.8888016
2002	146.8680588
2003	166.9262842
2004	232.8158735
2005	264.7710151
2006	305.2169803
2007	294.6847201
2008	319.4238267
2009	255.7775988
2010	343.7690691
2011	383.7745721
2012	383.3407668
2013	406.7207647
2014	430.5035026
2015	411.1520138
2016	388.1403621
2017	395.1844283
2018	402.3860401