| Province | Y2013 | Y2016 | Province | Y2013 | Y2016 | Province | Y2013 | Y2016 |
| Anhui | 1 | 12 | Hunan | 4 | 4 | Shanghai | 8 | 14 |
| Beijing | 24 | 30 | Jilin | 0 | 1 | Sichuan | 4 | 14 |
| Fujian | 8 | 6 | Jiangsu | 20 | 31 | Tianjin | 5 | 11 |
| Gansu | 0 | 0 | Jiangxi | 0 | 6 | Tibet | 0 | 0 |
| Guangdong | 15 | 29 | Liaoning | 3 | 5 | Yunnan | 0 | 2 |
| Guangxi | 3 | 13 | Neimenggu | 0 | 1 | Zhejiang | 10 | 24 |
| Guizhou | 0 | 0 | Ningxia | 0 | 0 | Chongqing | 3 | 3 |
| Hebei | 1 | 3 | Shandong | 5 | 22 | Hainan | 0 | 0 |
| Henan | 5 | 3 | Shanxi | 0 | 2 | Qinghai | 0 | 0 |
| Heilongjiang | 0 | 8 | Shaanxi | 5 | 20 | Xinjiang | 0 | 1 |
| Hubei | 4 | 12 |