Year	2000 = 100
1980	24.49363102
1981	19.97105719
1982	19.29017246
1983	19.93982395
1984	19.00334716
1985	19.80239767
1986	21.81746251
1987	27.19218336
1988	36.70843246
1989	42.05244062
1990	43.58443127
1991	46.54534286
1992	52.09392878
1993	47.88420795
1994	60.40561574
1995	83.41462653
1996	86.5514854
1997	93.0240548
1998	84.969001
1999	89.33853193
2000	100
2001	95.11564109
2002	94.63673134
2003	112.7728354
2004	169.2857477
2005	214.8165307
2006	305.4616534
2007	353.8290813
2008	335.81018
2009	288.7131955
2010	370.1583467
2011	423.928017
2012	404.9423903
2013	399.6290383
2014	390.7523455
2015	322.9261923
2016	316.1503835
2017	360.3788994
2018	392.9241421