For example, Denbighshire has risen from 16th highest to 3rd highest, while Caerphilly has fallen from 2nd highest to 11th highest.
Er enghraifft, mae Sir Ddinbych wedi codi o'r 16eg uchaf i'r 3ydd uchaf, tra bod Caerffili wedi cwympo o'r 2il uchaf i'r 11eg uchaf.