Year	Percent
1985	0
1986	0
1987	0
1988	0
1989	0
1990	0
1991	0
1992	-2.63158
1993	-1.36054
2000	26.82455
2001	0.44209
2002	11.62199
2003	6.3958
2004	16.10544
2005	32.37983
2006	40.81799
2007	30.44256
2008	25.09187
2009	-0.501
2010	19.42476
2011	23.18975
2012	22.85502
2013	16.30888
2014	5.77077
2015	-3.43007
2016	0.59987
2017	2.28478