Table:
donor rate
total amount donated
percentage of donations

percentage
millions of dollars
percentage

type of organization

total
82
12,764
100

arts and culture
3
160
1.3

sports and recreation
13
193
1.5

education and research
16
286
2.2

universities and colleges
2
161
1.3

health
48
1,658
13

hospitals
17
560
4.4

social services
40
1,578
12.4

environment
8
294
2.3

development and housing
2
152
1.2

law, advocacy and politics
3
136
1.1

grant-making, fundraising and volunteer work promotion
10
687
5.4

international organizations
11
1,283
10.1

religious organizations
31
5,228
41

business and professional associations, unions
0
f
f

groups not classified elsewhere
2
99
0.8

Your task is as follows:
In this table image, locate all merged cells and detail their regions using the JSON {'top-left':(x, y), 'bottom-right':(z, w)}. Here, '(x, y)' and '(z, w)' denote the coordinates (row_id, column_id) of the top-left and bottom-right cells of the merged regions, respectively. Keep in mind that row and column IDs start from 1.

The merged cell areas are as follows:
{'top-left':(1, 1), 'bottom-right':(2, 1)}
{'top-left':(3, 2), 'bottom-right':(3, 4)}.