Year	2000 = 100
1980	171
1981	187
1982	157
1983	141
1984	138
1985	120
1986	82
1987	94
1988	84
1989	84
1990	95
1991	91
1992	94
1993	94
1994	94
1995	98
1996	99
1997	99
1998	94
1999	95
2000	100
2001	97.80413072
2002	100.1450603
2003	105.1096798
2004	117.4315642
2005	127.1085979
2006	136.6984874
2007	143.6454782
2008	157.7695815
2009	134.8344249
2010	151.3178715
2011	173.3587648
2012	168.8050406
2013	168.3334599
2014	160.8571976
2015	134.2831987
2016	125.0435486
2017	134.0029748
2018	140.120349
