This was mainly driven by a lower than usual contact rate in these areas (compared to mainstage), as the refusal rates were similar to those normally achieved on the main survey.
Mae hyn yn rhannol oherwydd y nifer is o drafodiadau’n gyffredinol, a hefyd bod nifer y trafodiadau wedi dal ei dir yn well na nifer y trafodiadau preswyl a’r natur afreolaidd o’r sector amrheswyl.