Lluniwyd adroddiad interim, ac rwy'n amgáu'r ddolen iddo isod (dolen allanol). Bydd yr adroddiad terfynol gyda dadansoddiad llawn a manwl yn cael ei gyhoeddi ym mis Hydref.
An interim report has been produced which I enclose on the link below(external link). The final report with a fuller, more detailed analysis is due to be published in October.