Year	2000 = 100
1980	41.15442261
1981	44.2567189
1982	39.91628224
1983	36.26197636
1984	37.5995695
1985	32.17635825
1986	33.73503539
1987	35.46938909
1988	43.05791607
1989	51.21397755
1990	64.34758045
1991	60.57526194
1992	75.07108772
1993	71.8246316
1994	76.81699755
1995	92.25038754
1996	89.89503763
1997	92.77158079
1998	97.47014082
1999	98.92271165
2000	100
2001	111.2306931
2002	111.195441
2003	127.3497469
2004	149.6192313
2005	153.8132903
2006	175.1780812
2007	222.9443275
2008	287.6003516
2009	222.906986
2010	259.3168341
2011	279.5898273
2012	285.641984
2013	283.2536466
2014	289.4052444
2015	236.0362702
2016	227.1747645
2017	241.0877588
2018	265.0459796
