Scientific, therapeutic and technical staff (FTE) have increased by 3,799 (33.7%) since 2009, and by 552 (3.8%) since 30 September 2020, to 15,063 at 30 September 2021.
Bu cynnydd o 3,799 (33.7%) yn nifer y staff gwyddonol, therapiwtig a thechnegol (cyfwerth ag amser llawn) ers 2009, a chynnydd o 552 (3.8%) ers 30 Medi 2020, i gyfanswm o 15,063 ar 30 Medi 2021.