Year	2000 = 100
1980	71.20596846
1981	47.69100009
1982	55.93225674
1983	52.25548525
1984	56.41074071
1985	53.01098624
1986	58.0602512
1987	67.22070073
1988	56.43592407
1989	45.34894702
1990	50.44857871
1991	52.43806466
1992	23.10573866
1993	25.26836025
1994	25.88535272
1995	34.71841848
1996	28.34702679
1997	66.85554191
1998	100.7334655
1999	105.2161048
2000	100
2001	86.25302987
2002	88.14178235
2003	109.0911953
2004	123.1749929
2005	147.9994963
2006	160.1378789
2007	164.2427677
2008	151.0152045
2009	181.4083798
2010	182.2835017
2011	241.4108981
2012	256.6122076
2013	278.7389429
2014	299.1878364
2015	277.5332893
2016	328.0164951
2017	314.5496899
2018	339.4717789