Year	2000 = 100
1980	44.49569496
1981	46.67896679
1982	59.87084871
1983	44.77244772
1984	35.73185732
1985	35.02460025
1986	33.79458795
1987	34.87084871
1988	38.96063961
1989	40.77490775
1990	52.12177122
1991	52.89052891
1992	61.96186962
1993	58.14883149
1994	59.25584256
1995	104.4895449
1996	88.19188192
1997	102.1525215
1998	104.8277983
1999	76.87576876
2000	100
2001	115.5596556
2002	124.6016605
2003	150.5970787
2004	184.6417897
2005	309.3788438
2006	505.5380381
2007	720.4539668
2008	857.9348401
2009	766.3575646
2010	714.6320726
2011	686.5928659
2012	946.7097171
2013	831.303813
2014	936.2853629
2015	1002.767528
2016	985.7848708
2017	949.7250583
2018	1054.682586
