It shows how the numbers of LTT transactions received in each month has changed over the course of 2020-21, comparing this to the similar data for 2019-20.
Mae'n dangos sut mae nifer y trafodiadau TTT a dderbyniwyd ym mhob mis wedi newid yn ystod 2020-21, gan gymharu hyn â'r data tebyg ar gyfer 2019-20.