For the year ended December 31,

In thousands of USD

2019

2020

2021

Foreign exchange gain

2,199

4,736

22,162

Interest and similar income

2,232

884

258

Interest income from financial assets at fair value through OCI

—

2,344

Finance income

4,431

5,620

24,764

Foreign exchange loss

1,415

14,440

7,485

Interest and similar expense

1,469

1,583

1,606

Fair value loss on financial assets at fair value through profit and loss

—

998

Impairment loss on financial assets at fair value through OCI

—

88

Other charges

—

154

Finance costs

2,884

16,023

10,331