2006 2007 2008 2009 2010
Start date 2006-01-01 2007-01-01 2008-01-01 2009-01-01 2010-01-01
As of date 2006-12-31 2007-12-31 2008-12-31 2009-12-31 2010-12-31
Currency USD USD USD USD USD
Impairment loss (reversal of impairment loss), gross loan portfolio — — — — —
— — 24,854 36,667 120,593
— — 12,801 28,316 -34,845
Other movements on impairment loss allowance — — — 0 0
Exchange differences on impairment loss — — — 0 0
Write offs 0 0 0 0 39,346