Year	2000 = 100
1980	85
1981	88
1982	91
1983	77
1984	79
1985	72
1986	76
1987	83
1988	92
1989	93
1990	96
1991	97
1992	100
1993	100
1994	101
1995	112
1996	109
1997	103
1998	102
1999	100
2000	100
2001	100.3650953
2002	100.8689933
2003	98.89155436
2004	92.42171284
2005	88.86708247
2006	86.27878248
2007	82.96029581
2008	74.73898059
2009	81.59282789
2010	76.97435821
2011	70.61866492
2012	69.91945201
2013	69.91942956
2014	70.91229719
2015	72.724953
2016	71.67552324
2017	73.29493557
2018	76.04919567
