Year	2000 = 100
1980	72.56623884
1981	59.79434061
1982	52.49568416
1983	55.1887713
1984	53.84072656
1985	50.96449749
1986	56.66141259
1987	44.35487503
1988	45.69241162
1989	37.34143962
1990	43.6463259
1991	44.13420401
1992	44.84725662
1993	54.91923741
1994	63.34158973
1995	56.17137028
1996	60.82964978
1997	82.14892894
1998	83.37300238
1999	85.34512071
2000	100
2001	97.38184291
2002	101.8701122
2003	106.3583815
2004	112.3634818
2005	116.2189731
2006	126.0115607
2007	136.5011901
2008	157.8068684
2009	131.4586875
2010	152.9887793
2011	180.4930296
2012	181.5402924
2013	186.7086025
2014	180.2628358
2015	187.3185991
2016	184.2961578
2017	195.8520911
2018	200.7684461