Year	2000 = 100
1980	68
1981	72
1982	69
1983	73
1984	70
1985	65
1986	72
1987	77
1988	83
1989	94
1990	99
1991	97
1992	97
1993	95
1994	97
1995	107
1996	108
1997	103
1998	98
1999	95
2000	100
2001	96.98199859
2002	95.36593333
2003	102.2207719
2004	113.4946048
2005	126.6766182
2006	134.8133174
2007	147.4403869
2008	171.8561356
2009	153.8045543
2010	165.8370376
2011	188.4243349
2012	188.4929929
2013	187.5066126
2014	184.6537901
2015	167.654488
2016	162.6687592
2017	171.4014608
2018	183.4157636
