Year	annual % growth
1998	-16.374244734232946
1999	24.992723094295656
2000	-11.420326618603525
2001	0.7690539336918931
2002	14.124909563761022
2003	2.0818916404766554
2004	0.5961145620078554
2005	12.329142781334994
2006	3.436320530803499
2007	-11.259983252211569
2008	7.566776088782802
2009	5.1952575904839335
2010	1.7371733434963659
2011	5.779422891093347
2012	-4.583128494113879
2013	0.48197103253720286
2014	6.124855460349863
2015	1.0457743282322127
2016	4.511564716018299
2017	2.2325677412387677
2018	40.67230732192246