Year	annual % growth
1988	1.7995909278585
1989	-1.01363829185472
1990	7.10239255167535
1991	-3.91866630870526
1992	3.75308970573423
1993	7.96286714712215
1994	-10.0611092366738
1995	7.47488949081337
1996	10.4716721317105
1997	5.05712044285485
1998	5.68057052586168
1999	-5.81102213855679
2000	3.78721412802192
2001	-10.8798501142547
2002	8.04909362394437
2003	6.19736784054503
2004	9.53629490909455
2005	8.74093347295168
2006	4.24383818742069
2007	4.11981737518271
2008	-2.19406032584976
2009	-6.7444665950277
2010	8.44740093938154
2011	7.51233288042125
2012	3.06363782775507
2013	7.76098292807615
2014	2.83549846522948
2015	4.55612817843767
2016	1.79255119972839
2017	2.49185953396807