For each financial year 2018/19, 2019/20 2020/21 and 2021/22 how many hours were police helicopters used over London?

Please find below the number of hours police helicopters were used over London, broken down by financial year:

2018/19 – 2,162 flying hours

2019/20 – 2,355 flying hours

2020/21 – 2,314 flying hours

2021/22 – 2,273 flying hours