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