PR 10
6 sites
PR 9
62 sites
PR 8
263 sites
PR 7
603 sites
PR 6
1217 sites
PR 5
1773 sites
PR 4
2526 sites
PR 3
2919 sites
PR 2
2181 sites
PR 1
1385 sites
PR 0
5787 sites
Total 18802 sites