Year	annual % growth
1999	18.78131139300909
2000	2.4197109537626034
2001	18.262750063319785
2002	31.878342280731175
2003	17.144981700211034
2004	11.87839813103156
2005	22.786204855154253
2006	41.67595997404911
2007	21.581616741618376
2008	19.56093861114381
2009	1.0915562763490243
2010	1.2431632951048357
2011	14.63432517205618
2012	1.482274310328279