Year	2000 = 100
1980	29.35112041
1981	26.90656765
1982	22.19829584
1983	21.13389055
1984	22.5102627
1985	25.25923165
1986	32.69879046
1987	48.39022619
1988	61.65980894
1989	63.30184036
1990	77.32218893
1991	74.46918324
1992	77.63329558
1993	81.97970877
1994	92.23284732
1995	89.5301004
1996	103.7041064
1997	99.16911312
1998	93.90471531
1999	101.8171686
2000	100
2001	90.00126853
2002	97.81903519
2003	107.0720525
2004	125.5368598
2005	143.0267116
2006	164.3080624
2007	176.3996412
2008	210.7327118
2009	169.1097641
2010	198.6905603
2011	233.2647421
2012	242.5732576
2013	244.5139116
2014	254.1710241
2015	217.0218096
2016	210.8769149
2017	238.0349004
2018	256.7090521