Year	2000 = 100
1980	27.11681823
1981	23.33469781
1982	21.01474937
1983	17.58020478
1984	16.62956993
1985	16.85835518
1986	21.39836389
1987	20.05709395
1988	22.63087479
1989	24.92617023
1990	25.78358871
1991	30.58002021
1992	32.24990182
1993	43.01205314
1994	58.47224811
1995	86.53957395
1996	89.93359859
1997	106.5973473
1998	105.5583489
1999	92.92702424
2000	100
2001	102.9338068
2002	90.59604817
2003	87.3420863
2004	103.7271314
2005	109.0163316
2006	125.9357676
2007	153.7489763
2008	181.7617212
2009	149.9173073
2010	206.7430885
2011	223.8226065
2012	218.3828552
2013	237.2075643
2014	230.9567205
2015	195.9755023
2016	172.5882347
2017	182.2030493
2018	205.9659614