Year	2000 = 100
1980	31.82324919
1981	39.40387606
1982	39.60422052
1983	34.29454212
1984	43.50191243
1985	48.28377116
1986	45.92787681
1987	60.70702574
1988	63.13504768
1989	67.7658371
1990	62.93599601
1991	61.95516921
1992	69.0331537
1993	71.29037006
1994	78.11361965
1995	83.92515003
1996	81.7637972
1997	84.77498471
1998	88.69029908
1999	91.85788474
2000	100
2001	119.1431443
2002	143.4262597
2003	159.2973981
2004	178.9748806
2005	172.9953603
2006	188.7552653
2007	177.9245954
2008	159.6376263
2009	138.3521125
2010	178.3260808
2011	180.2738222
2012	164.8766478
2013	179.500019
2014	187.4297204
2015	183.1588409
2016	186.1790741
2017	187.9808614
2018	183.0408466