 |
|
| Province | 2002 | 2003 | 2004 | 2005 | Total |
|---|---|---|---|---|---|
| Gansu | 18 | 10 | 10 | 10 | 48 |
| Hainan | 2 | 5 | 7 | ||
| Hubei | 6 | 8 | 14 | ||
| Jilin | 6 | 8 | 14 | ||
| Neimeng | 13 | 24 | 13 | 10 | 60 |
| Ningxia | 7 | 7 | 5 | 5 | 24 |
| Qinghai | 11 | 15 | 10 | 36 | |
| Shaanxi | 7 | 1 | 4 | 12 | |
| Shanxi | 5 | 5 | |||
| Sichuan | 8 | 20 | 28 | ||
| Xinjiang | 7 | 3 | 10 | 20 | |
| Yunnan | 10 | 19 | 18 | 47 | |
| Guizhou | 3 | 3 | |||
| Hunan | 11 | 11 | |||
| Total | 100 | 113 | 108 | 25 | 346 |