Hierarchical order | Centrality score interval class | Number of localities | Percentage of localities | Average spacing (km) |
First order | 53.22 - 59.71 | 3 | 10 | 6.36 |
Second order | 53.21 - 12.64 | 5 | 17 | 8.32 |
Third order | 12.63 - 7.6 | 9 | 30 | 8.71 |
Fourth order | 7.59 - 1.64 | 13 | 43 | 7.12 |