Classification | Distribution of sustainable development level indicator | Proportion of sample number | Distribution of sustainable development capacity indicator | Proportion of sample number | Distribution of sustainability indicators for poverty alleviation and governance | Proportion of sample number |
Class I | 6 | 0.07 | 1 | 0.01 | 0 | 0 |
Class II | 34 | 0.40 | 18 | 0.21 | 26 | 0.30 |
Class III | 38 | 0.44 | 36 | 0.42 | 44 | 0.51 |
Class IV | 7 | 0.08 | 20 | 0.23 | 15 | 0.17 |
Class V | 1 | 0.01 | 11 | 0.13 | 1 | 0.01 |