Year	2000 = 100
1980	42.98356511
1981	35.39823009
1982	35.39823009
1983	35.39823009
1984	45.51201011
1985	37.92667509
1986	35.39823009
1987	45.51201011
1988	55.62579014
1989	58.15423515
1990	68.26801517
1991	65.73957016
1992	93.55246523
1993	70.79646018
1994	65.73957016
1995	89.19902913
1996	96.17718447
1997	98.82433252
1998	82.62540453
1999	102.495449
2000	100
2001	103.117415
2002	125.8065332
2003	130.3524474
2004	150.151699
2005	187.2193568
2006	156.936562
2007	177.3614482
2008	190.029819
2009	169.4098908
2010	184.8022856
2011	231.9655138
2012	274.4690534
2013	245.5147654
2014	271.1872977
2015	279.9580299
2016	296.8446602
2017	278.1148867
2018	252.8317152