Years

Category

2014

2015

2016

Amount

Proportion (%)

Amount

Proportion (%)

Amount

Proportion (%)

Cotton

32.18

19.66

22.75

17.00

12.69

10.79

Copper and its products

23.42

14.31

16.47

12.31

10.00

8.51

Mineral products

25.03

15.29

18.75

14.01

21.64

18.41

Jewelry, precious metals and products

25.23

15.41

19.61

14.65

24.95

21.22

Organic chemicals

10.59

6.47

11.02

8.23

9.1

7.74