Year	annual %
1987	-2.98171968973305
1988	3.75217406793153
1989	-5.95631004448833
1990	8.36590820792776
1991	-0.31404289277333
1992	9.21954523785735
1993	-5.11260489837632
1994	-5.12580508681208
1995	3.95130898363622
1996	9.32321863451226
1997	-1.45089872612094
1998	-1.71613177780038
1999	-1.88550292141593
2000	-1.03092618503963
2001	21.209244876138
2002	5.62919353968647
2003	4.17208498018383
2004	1.49220204435758
2005	9.14077313078469
2006	-7.93972254103204
2007	16.500834950265
2008	-9.58786287826871
2009	8.74952275161792
2010	0.210641515742708
2011	-1.82504707340057
2012	0.319687174260054
2013	9.87299266852968
2014	0.169342584178153
2015	-0.44168859089821
2016	-1.69974769789899
2017	0.766246053931539
