Equality Act 2010 - Regulation 13 Notices

Request
This FOI relates to data involving protected characteristics as defined by the Equality Act 2010. A link to those nine defined characteristics is below:
https://www.gov.uk/government/organisations/home-office/about/equality-and-diversity#equality-objectives
The nine protected characteristics as defined by the act are:
• age
• disability
• gender reassignment
• marriage and civil partnership
• pregnancy and maternity
• race
• religion or belief
• sex
• sexual orientation
In each of the years 2017,2018,2019,2020, and 2021:

Request 1 A
How many Regulation 13 notices were issued within the force?

Request 1 B
Of those, how many of the recipients had protected characteristics (as defined by the Equality Act 2010)?

Request 1 C
Of all regulation 13 notices issued – how many cases were referred to the IOPC?