Year	2000 = 100
1980	26.00293429
1981	27.66962028
1982	25.37658602
1983	29.78659739
1984	30.09991649
1985	29.75887824
1986	36.47340586
1987	46.0981536
1988	54.02136346
1989	59.43204751
1990	63.99932732
1991	63.75750968
1992	55.28067083
1993	68.49064044
1994	74.01301292
1995	67.85714286
1996	76.02040816
1997	75
1998	75.82397959
1999	78.06122449
2000	100
2001	96.42857143
2002	102.5510204
2003	101.5306122
2004	93.20459184
2005	107.3826531
2006	127.3127551
2007	138.6071429
2008	165.8163265
2009	150.894898
2010	137.6642857
2011	125.8443878
2012	115.1086735
2013	126.9918367
2014	136.7151418
2015	151.4658163
2016	170.0755102
2017	157.6158163
2018	168.877551