However, some respondents commented that they use other data sources, or that their usage of the modelled indicators has reduced over time due to decreasing relevance.
Fodd bynnag, nododd rhai ymatebwyr eu bod yn defnyddio ffynonellau data eraill, neu fod eu defnydd o’r dangosyddion wedi’u modelu wedi lleihau dros amser wrth iddynt fynd yn llai perthnasol.