Year	2000 = 100
1980	36.68890052
1981	29.56765676
1982	27.07109249
1983	26.75176019
1984	30.0136836
1985	35.5763826
1986	42.46596164
1987	58.30147733
1988	69.2806842
1989	70.33537817
1990	81.39177782
1991	72.3001779
1992	76.1110741
1993	77.3393479
1994	90.42436012
1995	83.57499574
1996	92.70425785
1997	90.17874255
1998	96.16917951
1999	109.5924599
2000	100
2001	92.74105184
2002	98.96601479
2003	133.158125
2004	138.4940158
2005	145.9930856
2006	160.0114039
2007	160.2893986
2008	158.7975023
2009	151.9729555
2010	160.5194945
2011	165.256096
2012	169.7641865
2013	177.5126017
2014	190.8805599
2015	209.407631
2016	217.4358775
2017	221.5342425
2018	223.6359946