Total Mandatory Reliefs increased each year between 2012-13 and 2020-21, and Empty Premises Relief had the lowest total for each year.
Cynyddodd cyfanswm y Rhyddhad Gorfodol bob blwyddyn rhwng 2012-13 a 2020-21, a Rhyddhad Ardrethi Eiddo Gwag oedd â’r cyfanswm isaf ar gyfer pob blwyddyn.