Year	2000 = 100
1981	19
1982	17
1983	17
1984	17
1985	41
1986	42
1987	43
1988	46
1989	49
1990	54
1991	57
1992	58
1993	60
1994	68
1995	70
1996	86
1997	102
1998	102
1999	99
2000	100
2001	95.59852061
2002	95.32026658
2003	102.8301848
2004	115.1951009
2005	128.5617403
2006	137.5192574
2007	153.1064115
2008	178.6349403
2009	159.8316632
2010	173.6240168
2011	205.2733055
2012	204.4221121
2013	197.1082758
2014	194.9127523
2015	173.1286448
2016	171.3605968
2017	179.1473311
2018	191.0875664