Year	2000 = 100
1980	13.19298358
1981	10.64332308
1982	7.275472678
1983	6.094994103
1984	4.885251785
1985	14.86620871
1986	17.26672292
1987	20.61609533
1988	21.04170795
1989	27.86042467
1990	37.19925649
1991	36.09006043
1992	40.3491973
1993	55.09621449
1994	41.05293673
1995	53.70306137
1996	69.60408257
1997	84.85138553
1998	83.42091172
1999	77.73167158
2000	100
2001	76.16735695
2002	96.06300991
2003	116.0183463
2004	140.7160305
2005	157.4626009
2006	173.2594521
2007	192.5014289
2008	190.4320777
2009	165.1631029
2010	200.6739532
2011	226.7183906
2012	228.6064977
2013	247.1263336
2014	244.8503425
2015	248.1338622
2016	262.0066693
2017	286.8998178
2018	259.6092492