Year	2000 = 100
1980	20.71948518
1981	20.58233991
1982	17.86053381
1983	17.92383163
1984	17.35415128
1985	18.8521996
1986	21.1942188
1987	19.30815487
1988	27.74554278
1989	33.9276295
1990	31.71220593
1991	32.21858846
1992	40.71104547
1993	49.09800612
1994	51.72486549
1995	54.54161831
1996	60.41776559
1997	69.72254457
1998	80.14558498
1999	84.82962338
2000	100
2001	92.61525477
2002	93.2376833
2003	80.46207406
2004	83.21552906
2005	104.1143581
2006	128.4302142
2007	143.4434012
2008	168.7192742
2009	129.7172698
2010	163.4043675
2011	183.653339
2012	187.1442135
2013	178.0040089
2014	182.2270282
2015	178.3574217
2016	183.5488976
2017	186.7317228
2018	212.6806625