Over the longer run, since 1999, Wales has broadly kept pace with the UK as a whole, but its performance continues to be weak compared with many other parts of the UK.
Dros y tymor hwy, ers 1999, mae Cymru wedi cadw i fyny’n fras â’r DU drwyddi draw, ond mae ei pherfformiad yn parhau i fod yn wan o’i gymharu â pherfformiad llawer o rannau eraill o’r DU.