Year	annual % growth
1999	17.743448943394327
2000	1.5817592644868057
2001	17.350030841260917
2002	30.897963143125793
2003	16.26078541735461
2004	10.90325865896908
2005	21.537397669088335
2006	40.12804505934011
2007	20.21084291716852
2008	17.07650940317778
2009	-0.9856171032621859
2010	0.04572221230493767
2011	13.150328178005395
2012	0.14273393133220225