| Province | |||||||||
Sichuan | Qinghai | Gansu | Ningxia | Inner Mongolia | Shanxi (SN) | Shaanxi (SX) | Henan | Shandong | ||
Year | 2011 | 62.1 | 3.1 | 11.8 | 0.9 | 52 | 43.5 | 26.3 | 29.7 | 29.8 |
2012 | 66.9 | 3.8 | 22.9 | 6.6 | 125 | 23.7 | 30.9 | 37.8 | 34.2 | |
2013 | 66.2 | 1.6 | 30.1 | 6 | 68 | 24.8 | 16.4 | 6.2 | 104.2 | |
2014 | 34.5 | 1.7 | 16.3 | 0.2 | 10.2 | 17 | 10.4 | 5.2 | 6.7 | |
2015 | 29.1 | 1.4 | 8.8 | 0.7 | 20.6 | 11.1 | 3.8 | 5.6 | 24.7 | |
2016 | 16.3 | 1.6 | 12.3 | 1.6 | 27.1 | 11.5 | 27.4 | 24.5 | 11.2 | |
2017 | 16.7 | 0.6 | 9.4 | 0.9 | 25.6 | 9.9 | 5.8 | 98.8 | 6.9 |