FOI request (FOIR-180696747)

Under the freedom of information act, I would like to know the following. Please break down the figures by year, for the past five years.

1. How many traffic wardens are there in your area, per year, over the last 5 years? (Last 5 financial years).

2. What is the cost of traffic wardens - per year, over the last 5 years? (Last 5 financial years).

3. What is the cost of traffic equipment, e.g. speed cameras, CCTV, other technology over the last 5 years? (Last 5 financial years).

4. What is the income from traffic-related incidents (speeding, parking fines, and any other you can think of) over the last 5 years? (Last 5 financial years).