Information on financial adviser firms following the study on Defined Benefit pension transfers - June 2020

In reference to the following FOI response (FOI6864): 

https://landmark-phase.live/publication/foi/foi6864-response.pdf%3C/p%3E

In reference to the FCA's deep dive study on Defined Benefit pension transfers:

https://landmark-phase.live/publications/multi-firm-reviews/defined-benefit-pension-transfers  

Under the Freedom of Information Act, I would like to know:

Since the results of the FCA's study on Defined Benefit pension transfers was published in June 2019: 

1. How many financial adviser firms have lost their permission to advise on pension transfers as a result of the FCA's assessments?
2. How many financial adviser firms have been visited by the FCA?
3. How many financial adviser firms have received letters from the FCA? 

If possible, please provide the data up to the most recent day to the present.