Trips were lower in October and November, but increased again in December, which recorded the highest monthly volume of visits to friends and relatives.
Roedd nifer y teithiau’n is ym mis Hydref a mis Tachwedd, ond gwelwyd cynnydd eto ym mis Rhagfyr, pan gofnodwyd y nifer fwyaf o ymweliadau misol â ffrindiau a pherthnasau.