What percentage of hearing aids Have a T Coil

Does any one know what percentage of hearing aids in the UK have a T-Coil?

I was told that the NHS no longer issue hearing aids with a T coil. Is that true?

All hearing aids dispensed by the NHS have T-Coils. But the T coil is not always activated or set up correctly. I was told it takes about 15 minutes to set up the T- coil in a hearing aid and to explain/demonstrate its use. Which, seems like no time at all when you consider the benefit, however, I was also told by a senior audiologist and lecturer that, the consulting time with a patient is only 45 minutes in total. Consequently only half the job gets done

The latest NHS Hearingaid Tender has just been issued. It styates that all Hearing aids must include the T-coil. This contract will remain in place for 3 years. So more good news for induction loops