Year	2000 = 100
1980	4.28224453
1981	6.153088296
1982	5.975864038
1983	7.730522993
1984	12.38856309
1985	14.31028763
1986	16.77751105
1987	18.06159173
1988	20.05670535
1989	22.70070949
1990	24.58154767
1991	26.02666525
1992	30.63670412
1993	34.96782545
1994	41.28601366
1995	54.3125468
1996	59.64800905
1997	70.27449758
1998	76.22330525
1999	85.92478683
2000	100
2001	101.7779408
2002	120.1237507
2003	121.0632512
2004	140.0411616
2005	130.1911996
2006	143.1161343
2007	149.4995145
2008	143.3798813
2009	116.7256514
2010	150.8082494
2011	132.5803831
2012	143.8567307
2013	160.6093554
2014	165.1566861
2015	172.8453279
2016	172.6246695
2017	199.4045758
2018	191.6824916