Year	2000 = 100
1980	83
1981	95
1982	103
1983	90
1984	100
1985	88
1986	75
1987	78
1988	78
1989	85
1990	76
1991	70
1992	82
1993	83
1994	85
1995	90
1996	93
1997	95
1998	98
1999	96
2000	100
2001	107.7053244
2002	103.3388843
2003	97.19084894
2004	88.36892514
2005	75.09301341
2006	71.26901548
2007	66.96390636
2008	56.30143215
2009	64.22378977
2010	59.57614702
2011	53.06355622
2012	52.74263848
2013	52.69834926
2014	53.45974088
2015	58.97850729
2016	61.8782217
2017	59.49830487
2018	62.49537822