Fewer respondents in March 2022 felt that they needed more information or were undecided (20% vs 28% in 2021).
Roedd llai o’r ymatebwyr ym mis Mawrth 2022 o'r farn bod angen rhagor o wybodaeth arnynt neu eu bod heb benderfynu (20% o gymharu â 28% yn 2021).