| Area | Numbers |
| Jing-Jin-Ji (JJJ) | 54 (25%) |
| Yangtze River Delta (YRD) | 66 (31%) |
| Pearl River Delta (PRD) | 54 (25%) |
| Northeast | 3 (1%) |
| Western China | 26 (12%) |
| Central China | 12 (6%) |