| 指标 | 2000 | 2010 | 2020 |
| NP | 27,679 | 29,700 | 31,351 |
| PD | 7.20 | 7.73 | 8.16 |
| LPI | 68.15 | 63.40 | 48.94 |
| LSI | 65.96 | 77.94 | 87.23 |
| SHEI | 0.44 | 0.48 | 0.50 |