2007 2008 2009 2010
Start date 2007-01-01 2008-01-01 2009-01-01 2010-01-01
As of date 2007-12-31 2008-12-31 2009-12-31 2010-12-31
Currency USD USD USD USD
Impairment loss (reversal of impairment loss), gross loan portfolio — — — —
— 277,550 1,350,765 916,075
— 512,170 159,854 455,985
Other movements on impairment loss allowance — 0 0 0
Exchange differences on impairment loss — 0 0 —
Write offs 3,016 22,259 94,238 101,499