Chart 1c shows the percentage of lower rate waste accounted for by fines material varied from 48% in April to June 2021, to 36% in January to March 2022.
Mae Siart 1c yn dangos bod canran y gwastraff cyfradd is sy’n ronynnau mân yn amrywio o 48% ym mis Ebrill i fis Mehefin 2021, i 36% rhwng Ionawr a Mawrth 2022.