Year	2000 = 100
1980	66.78875505
1981	63.00453669
1982	55.20089811
1983	64.48839872
1984	72.36851312
1985	90.33402174
1986	79.89209927
1987	88.95901108
1988	79.14844065
2000	100
2001	101.2941989
2002	76.88762913
2003	98.80048426
2004	114.4966726
2005	151.6179193
2006	164.3518504
2007	205.252702
2008	190.9603459
2009	177.3848826
2010	250.1710194
2011	244.9304921
2012	253.3726906
2013	286.2900261
2014	269.5668038
2015	283.4972526
2016	289.1637309
2017	348.6404752
2018	334.5861149
