PR 10
3 sites
PR 9
47 sites
PR 8
181 sites
PR 7
378 sites
PR 6
735 sites
PR 5
1004 sites
PR 4
1500 sites
PR 3
1668 sites
PR 2
1291 sites
PR 1
817 sites
PR 0
4048 sites
Total 11691 sites