Year	2000 = 100
1980	45.37459452
1981	49.78443839
1982	47.89974482
1983	54.01903032
1984	57.29259115
1985	52.83421997
1986	51.08230613
1987	44.80299295
1988	50.33865317
1989	58.57592665
1990	60.89347347
1991	60.45240258
1992	45.34656806
1993	49.91566109
1994	53.13567752
1995	66.65870853
1996	72.11132736
1997	86.11219238
1998	87.3491631
1999	95.84793045
2000	100
2001	94.02707495
2002	89.87500541
2003	103.3692314
2004	122.2222222
2005	138.7872497
2006	146.8241858
2007	151.0470135
2008	166.0990442
2009	125.3774491
2010	135.7566714
2011	156.1270706
2012	153.9419575
2013	152.1499935
2014	150.4375679
2015	139.9673025
2016	140.2654729
2017	138.416418
2018	137.1047965