Table:
chronic conditions

arthritis
high blood pressure
asthma
mood disorder
anxiety disorder

percentage

total aboriginal identity female population
22.2
17.2
16.6
16.9
17.0

off-reserve first nations
23.4
17.4
17.5
18.6
17.6

metis
21.3
17.1
16.7
16.2
17.8

inuit
15.2
14.8
9.3
8.2
7.1

non-aboriginal identity female population
14.7
13.1
10.6
10.3
9.4

Please perform the following task:
Examine the provided table image to identify all cells that are merged. Report back the merged cell areas using the JSON {'top-left':(x, y), 'bottom-right':(z, w)}, where '(x, y)' represents the top-left and '(z, w)' the bottom-right cell's (row_id, column_id) in each merged region. Note that both row and column IDs begin at 1.

The merged cell regions are as follows:
{'top-left':(1, 1), 'bottom-right':(3, 1)}
{'top-left':(1, 2), 'bottom-right':(1, 6)}
{'top-left':(3, 2), 'bottom-right':(3, 6)}.