Year	2000 = 100
1980	24.76417027
1981	33.39597779
1982	33.74489821
1983	35.67432449
1984	35.84172733
1985	41.5606169
1986	45.70946329
1987	42.80508328
1988	62.86292412
1989	44.55101789
1990	40.16049352
1991	41.00747687
1992	61.67205429
1993	44.43163479
1994	45.2470327
1995	64.10388128
1996	72.89440639
1997	78.24315068
1998	76.31335616
1999	103.8652968
2000	100
2001	109.0182648
2002	112.1809361
2003	142.1141553
2004	234.5890411
2005	220.4863014
2006	239.5125571
2007	300.1746575
2008	310.0861872
2009	302.173516
2010	487.3310502
2011	595.5679224
2012	565.8664384
2013	518.9092466
2014	532.0105371
2015	605.3453196
2016	572.1752283
2017	587.2054795
2018	582.1917808