Year	2000 = 100
1980	82
1981	83
1982	80
1983	78
1984	96
1985	92
1986	76
1987	83
1988	87
1989	87
1990	85
1991	94
1992	99
1993	96
1994	98
1995	106
1996	107
1997	99
1998	97
1999	96
2000	100
2001	104.8856051
2002	104.3639582
2003	101.3242662
2004	92.9578525
2005	85.28243657
2006	79.70324237
2007	73.79922776
2008	65.30909611
2009	73.38106106
2010	67.32202657
2011	59.57698021
2012	59.57705559
2013	60.79287072
2014	62.41573325
2015	69.10153075
2016	71.06680189
2017	68.71382741
2018	71.36134817