Year	Percent
1980	0.01865
1981	0.00867
1982	0.00522
1983	0.08531
1984	0.03744
1985	0.01899
1986	0.78239
1987	0.0816
1988	0.11638
1989	0.42498
1990	0.7974
1991	0.36329
1992	0.26689
1993	1.52432
1994	0.61205
1995	0.13617
1996	0.74271
1997	0.64885
1998	1.1847
1999	0.93287
2000	0.44647
2001	0.18307
2002	1.08188
2003	1.01769
2004	0.55579
2005	0.70648
2006	1.21541
2007	0.2496
2008	0.24276
2009	0.75079
2010	0.63608
2011	-0.08057
2012	0.86733
2013	0.05849
2014	0.94038