Province

Sichuan

Qinghai

Gansu

Ningxia

Inner Mongolia

Shanxi (SN)

Shaanxi (SX)

Henan

Shandong

Year

2011

76.3

0.4

4.4

0

8.2

55.7

12

10.1

9.9

2012

81

1.1

18.4

2.5

11.9

24.5

10.9

2.8

13.5

2013

68.1

0.5

40.3

5.9

9.2

48.9

30.1

1.2

4.5

2014

23.4

0.4

1.2

0.3

0.3

11.8

1

0.8

0.1

2015

14.5

0.5

0.2

0.1

0.7

2.6

0.9

0.9

0.4

2016

8.5

0.4

2.2

0.9

0.8

3.4

19.1

13.2

0.5

2017

5

0.1

5.2

0.4

0.9

6.1

1.9

0.6

0.6