Month

Amount of trade (ton)

Value of trade (Chinese Yuan)

Average price (yuan/ton)

1

2

3

4

5

6

7

8

9

10

11

12

6650

60,002

113,303

69,700

164,758

1,114,777

0

0

23,400

32,600

84,060

314,584

208,953

2,295,012

4,446,630

2,735,490

6,007,070

44,156,118.2

0

0

765,360

1,096,110

2,945,285

10,748,198.9

31.42

38.23

39.25

39.25

36.46

39.61

0

0

32.71

33.62

35.04

34.17