However, it should be noted that the number of self-catering properties responding was significantly reduced during this period and therefore caution should be used when interpreting these results.
Fodd bynnag, dylid nodi bod nifer yr eiddo hunanddarpar a ymatebodd wedi gostwng yn sylweddol yn ystod y cyfnod hwn ac felly dylid bod yn ofalus wrth ddehongli'r canlyniadau hyn.