Table 5 Statistical table of grade and number of traditional villages
Year | Range of closeness | Grade and number of villages | Grade II to III compared to the previous year | Grade III to II compared to the previous year | ||
|---|---|---|---|---|---|---|
|  |  | I [0–0.2) | II [0.2–0.4) | III [0.4–0.6) |  |  |
2017 | [0.132, 0.436] | 1 | 165 | 6 | – | – |
2018 | [0.148, 0.447] | 1 | 159 | 12 | 8 | 2 |
2019 | [0.159, 0.459] | 1 | 153 | 18 | 7 | 1 |
2020 | [0.153, 0.430] | 1 | 169 | 2 | 1 | 17 |
2021 | [0.157, 0.436] | 1 | 168 | 3 | 3 | 2 |
2022 | [0.185, 0.463] | 1 | 154 | 17 | 15 | 1 |