Year	2000 = 100
1980	69.08462867
1981	69.17098446
1982	72.19343696
1983	54.92227979
1984	46.63212435
1985	36.6148532
1986	46.89119171
1987	55.44041451
1988	63.55785838
1989	69.77547496
1990	75.82037997
1991	77.63385147
1992	73.83419689
1993	82.46977547
1994	87.99654577
1995	60.79447323
1996	65.54404145
1997	63.81692573
1998	68.22107081
1999	98.35924007
2000	100
2001	91.79620035
2002	133.2469775
2003	151.3816926
2004	175.7056995
2005	207.9615717
2006	247.7786701
2007	263.3632124
2008	346.0935233
2009	325.0610535
2010	397.2366149
2011	545.0914508
2012	750.2564767
2013	872.1070812
2014	755.3386874
2015	719.7082038
2016	449.5842832
2017	496.1483592
2018	585.9727586