Year

Average

Henan

Jiangsu

Shanghai

Shandong

Zhejiang

Guangdong

Tianjin

2012

7.79

5.16

8.64

7.92

7.59

11.17

9.93

12.46

2013

8.16

5.88

8.67

9.12

7.74

11.61

9.67

13.34

2014

8.87

5.36

9.80

10.40

9.67

12.30

9.99

15.18

2015

8.55

5.03

9.89

9.96

9.36

12.56

10.15

15.94

2016

8.93

4.88

10.88

10.32

10.22

12.71

9.56

18.14