We use this information to make the website work as well as possible and improve our services.
You’ve accepted all cookies. You can change your cookie settings at any time.
Dysgwch fwy am y cyfrifiad
Cyswllt: Debra Leaker
Dyddiad y datganiad: 14 June 2022
View previous versions
Cyhoeddiad nesaf: 19 July 2022
ID y gyfres: LFM2
Beth yw hyn?
Custom time period
Download full time series as:
Download filtered time series as: