Year	2000 = 100
1980	35.81751332
1981	29.03715009
1982	28.26981725
1983	29.49348
1984	32.76456301
1985	34.46747527
1986	41.60936299
1987	46.82985053
1988	48.88294655
1989	53.44768167
1990	66.50236186
1991	71.08571509
1992	73.6489232
1993	74.73421771
1994	72.51990496
1995	83.80281197
1996	83.67846319
1997	90.14245644
1998	98.22577379
1999	100.8476661
2000	100
2001	105.0802792
2002	105.6790342
2003	112.9164816
2004	121.5132101
2005	135.0850624
2006	140.6239187
2007	153.9854354
2008	158.5975264
2009	158.8606272
2010	162.9073514
2011	184.8489677
2012	202.8553624
2013	214.1521391
2014	224.8592341
2015	226.6057626
2016	228.9170433
2017	230.2247391
2018	220.2771455