Year	2010 = 100
1981	0.00348576118084302
1982	0.00442691669967064
1983	0.00577590627665689
1984	0.00868303110147997
1985	0.0124371958932479
1986	0.0161132215385453
1987	0.0212773767279642
1988	0.0362708348622696
1989	0.0594755872988419
1990	0.0905831120751256
1991	0.140717930990391
1992	0.228102191609546
1993	0.360323154691492
1994	0.797252667308455
1995	1.48308927436055
1996	2.60927510465602
1997	4.74375967084095
1998	8.1512441460062
1999	12.4764727415991
2000	18.8936923362094
2001	30.5373682290826
2002	45.8388393595669
2003	57.5565268750552
2004	63.9407933594168
2005	69.2075441362399
2006	75.9662204044861
2007	80.758439749955
2008	91.0285954600447
2009	92.1524891889216
2010	100
2011	111.085286768463
2012	117.852918841672
2013	123.134312492484