Could anyone please post a breakdown for how many secrets there are in every level?

Could be in a following format:

World 1 - Level 1 - 3 Secrets
World 1 - Level 2 - 3 Secrets

And so on.

Or is it 3 secrets for every level?

Episode 1 - Map 01 - 3 Secret(s)
Episode 1 - Map 02 - 3 Secret(s)
Episode 1 - Map 03 - 1 Secret(s)
Episode 1 - Map 04 - 2 Secret(s)
Episode 1 - Map 05 - 1 Secret(s) (Secret Achievement)
Episode 1 - Map 06 - 1 Secret(s)
Episode 1 - Map 07 - 1 Secret(s)
Episode 1 - Map 08 - 2 Secret(s)
Episode 1 - Map 09 - 2 Secret(s)
Episode 1 - Map 10 - 1 Secret(s)
Episode 1 - Map 11 - 0 Secret(s)
Episode 1 - Map 12 - 0 Secret(s)

Episode 2 - Map 01 - 1 Secret(s)
Episode 2 - Map 02 - 1 Secret(s)
Episode 2 - Map 03 - 4 Secret(s)
Episode 2 - Map 04 - 4 Secret(s)
Episode 2 - Map 05 - 5 Secret(s)
Episode 2 - Map 06 - 6 Secret(s)
Episode 2 - Map 07 - 4 Secret(s)
Episode 2 - Map 08 - 3 Secret(s)
Episode 2 - Map 09 - 3 Secret(s)
Episode 2 - Map 10 - 3 Secret(s)
Episode 2 - Map 11 - 9 Secret(s) (Secret Achievement)
Episode 2 - Map 12 - 0 Secret(s)

Episode 3 - Map 01 - 7 Secret(s) (Secret Achievement)
Episode 3 - Map 02 - 3 Secret(s)
Episode 3 - Map 03 - 3 Secret(s)
Episode 3 - Map 04 - 9 Secret(s)
Episode 3 - Map 05 - 8 Secret(s)
Episode 3 - Map 06 - 7 Secret(s)
Episode 3 - Map 07 - 3 Secret(s)
Episode 3 - Map 08 - 7 Secret(s)
Episode 3 - Map 09 - 6 Secret(s)
Episode 3 - Map 10 - 5 Secret(s)
Episode 3 - Map 11 - 4 Secret(s)
Episode 3 - Map 12 - 0 Secret(s)

Episode 4 - Map 01 - 3 Secret(s)
Episode 4 - Map 02 - 3 Secret(s)
Episode 4 - Map 03 - 5 Secret(s) (Secret Achievement)
Episode 4 - Map 04 - 4 Secret(s)
Episode 4 - Map 05 - 1 Secret(s)
Episode 4 - Map 06 - 1 Secret(s)
Episode 4 - Map 07 - 3 Secret(s)
Episode 4 - Map 08 - 2 Secret(s)
Episode 4 - Map 09 - 1 Secret(s)
Episode 4 - Map 10 - 2 Secret(s)
Episode 4 - Map 11 - 4 Secret(s)
Episode 4 - Map 12 - 0 Secret(s)

Episode 5 - Map 01 - 2 Secret(s)
Episode 5 - Map 02 - 4 Secret(s)
Episode 5 - Map 03 - 5 Secret(s)
Episode 5 - Map 04 - 2 Secret(s)
Episode 5 - Map 05 - 9 Secret(s)
Episode 5 - Map 06 - 4 Secret(s)
Episode 5 - Map 07 - 2 Secret(s)
Episode 5 - Map 08 - 2 Secret(s)
Episode 5 - Map 09 - 4 Secret(s) (Secret Achievement)
Episode 5 - Map 10 - 4 Secret(s)
Episode 5 - Map 11 - 0 Secret(s) (Secret Achievement)