| Filing Location | Number of Filings |
|---|---|
| Beijing | 178 |
| Guangdong | 122 |
| Yunnan | 63 |
| Sichuan | 59 |
| Guizhou | 59 |
| Shanghai | 35 |
| Chongqing | 35 |
| Gansu | 34 |
| Shaanxi | 32 |
| Guangxi | 26 |
| Qinghai | 25 |
| Zhejiang | 22 |
| Hunan | 20 |
| Henan | 16 |
| Hubei | 13 |
| Jiangsu | 10 |
| Inner Mongolia | 10 |
| Anhui | 8 |
| Ningxia | 6 |
| Jiangxi | 4 |
| Shandong | 3 |
| Liaoning | 3 |
| Heilongjiang | 3 |
| Hebei | 3 |
| Xinjiang | 2 |
| Tianjin | 2 |
| Hainan | 2 |
| Fujian | 2 |
| Tibet | 1 |
| Shanxi | 1 |
| Jilin | 1 |