Year	2000 = 100
1980	99.11764706
1981	70.64220183
1982	74.3772242
1983	71.94570136
1984	69.03225806
1985	80.1980198
1986	86.74698795
1987	94.04761905
1988	106.0240964
1989	97.72727273
1990	87.36842105
1991	93.40659341
1992	79.20792079
1993	77.66990291
1994	77.88461538
1995	80.1980198
1996	81.13207547
1997	82.40740741
1998	87.38738739
1999	102.8846154
2000	100
2001	98.6549805
2002	91.9878307
2003	95.11109858
2004	92.02039365
2005	92.29521689
2006	90.59241706
2007	88.50783604
2008	77.83776734
2009	83.19992464
2010	81.16493119
2011	75.11099877
2012	74.96017347
2013	73.51884924
2014	76.75141307
2015	83.85514322
2016	84.65570273
2017	82.92236827
2018	79.98064849
