Year	annual % growth
1991	-20.999986952241542
1992	-40.00002683375149
1993	-38.9999682467132
1994	88.99992228476913
1995	18.60146663604712
1996	111.39997003984439
1997	38.999989169669504
1998	23.000006233284225
1999	26.659424063751786
2000	-7.826295147951782
2001	11.60010024088973
2002	67.19581386778194
2003	74.08574188633548
2004	25.12112409112784
2005	-1.3426432992908985
2006	2.733385528426993
2007	-9.317380236660924
2008	1.6057650259832599
2009	-9.015095048095617
2010	4.342001496801487
2011	11.972532538870311
2012	2.199997260373081
2013	19.44731898174075
2014	1.3841586899913096