Year	2000 = 100
1980	49.71988796
1981	49.77240896
1982	37.99894958
1983	29.3855042
1984	39.50455182
1985	29.92822129
1986	16.18522409
1987	17.37570028
1988	19.3452381
1989	23.52065826
1990	30.89110644
1991	26.67191877
1992	32.70308123
1993	27.84488796
1994	27.53851541
1995	30.68102812
1996	38.81317923
1997	47.43833017
1998	43.38450923
1999	62.22183888
2000	100
2001	93.76401587
2002	94.68690702
2003	115.4217699
2004	161.1523202
2005	222.2011385
2006	293.6950147
2007	362.4245731
2008	580.5342677
2009	414.0688546
2010	646.5799381
2011	987.1312748
2012	1146.817319
2013	1180.395032
2014	1134.99701
2015	672.5123253
2016	494.312127
2017	581.622505
2018	745.8099143