Year	2000 = 100
1980	14.0600418
1981	15.2153058
1982	15.08519346
1983	15.84322661
1984	17.46690952
1985	16.55416388
1986	16.32390932
1987	20.81659458
1988	28.52275696
1989	32.40907376
1990	38.2642739
1991	42.78975937
1992	46.05933064
1993	53.70794752
1994	70.26312734
1995	85.8233433
1996	90.71870192
1997	90.69765754
1998	79.74732228
1999	83.21964529
2000	100
2001	88.35084613
2002	90.83698586
2003	116.035819
2004	144.1445822
2005	166.6490087
2006	197.2417346
2007	217.1982816
2008	245.4036327
2009	195.808806
2010	255.3388087
2011	297.1636382
2012	296.3580353
2013	297.705219
2014	297.0187368
2015	251.5442064
2016	245.3353745
2017	270.8460332
2018	299.4317739