Year	annual % growth
1988	-8.20180777412277
1989	9.17543817056472
1990	20.6127639538472
1991	-9.43489009627606
1992	10.8993227162381
1993	29.0999910074887
1994	-29.800498787518
1995	35.5062821820625
1996	5.38776822520354
1997	11.8865108495473
1998	-1.17032973763543
1999	-10.4217275338294
2000	20.1285556610932
2001	-32.9693232479301
2002	30.5527748470772
2003	17.2269162742741
2004	21.712995258952
2005	23.0686580972784
2006	14.1482260184764
2007	5.97066835903344
2008	-4.60886630427754
2009	-22.6779864353084
2010	24.7949755917159
2011	16.332813672622
2012	-4.24059816978657
2013	16.7306992636308
2014	3.61325103020815
2015	6.23993311106112
2016	3.6842733393935
2017	10.6757180043589
2018	-7.8232382827557