Table:
type of offence
2018r
2019
change in rate 2018 to 2019
change in rate 2009 to 2019

number
rate
number
rate
percent

total drug offences
84,927
229
70,140
187
-19
-36

total cannabis offences
36,579
99
16,868
45
..
..

cannabis - possession
26,402
71
46
0
..
..

cannabis - trafficking
3,387
9
20
0
..
..

cannabis - production or importation/exportation
5,281
14
214
1
..
..

cannabis (cannabis act) - possession
459
1
1,818
5
..
..

cannabis (cannabis act) - distribution
189
1
955
3
..
..

cannabis (cannabis act) - sale
244
1
1,078
3
..
..

cannabis (cannabis act) - importation or exportation
342
1
11,193
30
..
..

cannabis (cannabis act) - production
102
0
907
2
..
..

cannabis (cannabis act) - other
173
0
637
2
..
..

total other drug offences
48,348
130
53,272
142
9
47

cocaine - possession
7,027
19
6,732
18
-6
-21

cocaine - trafficking
6,969
19
7,995
21
13
-26

cocaine - production or importation/exportation
613
2
595
2
-4
47

methamphetamine - possession
10,546
28
10,849
29
1
1,127

methamphetamine - trafficking
2,718
7
3,228
9
17
642

methamphetamine - production or importation/exportation
583
2
369
1
-38
871

ecstasy - possession
284
1
231
1
-20
-57

ecstasy - trafficking
129
0
118
0
-10
-60

ecstasy - production or importation/exportation
805
2
318
1
-61
629

heroin - possession
2,282
6
2,342
6
1
342

heroin - trafficking
866
2
708
2
-19
125

heroin - production or importation/exportation
204
1
140
0
-32
132

opioids (not heroin) - possession
1,494
4
2,346
6
55
..

opioids (not heroin) - trafficking
933
3
1,355
4
43
..

opioids (not heroin) - production or importation/exportation
78
0
65
0
-18
..

other drugs - possession
7,050
19
7,964
21
11
..

other drugs - trafficking
3,449
9
5,288
14
51
..

other drugs - production or importation/exportation or other
2,318
6
2,629
7
12
..

The task is as follows:
Analyze the table in this image to find every merged cell. Return the regions of these merged cells in the JSON {'top-left':(R1, C1), 'bottom-right':(R2, C2)}, where '(R1, C1)' and '(R2, C2)' show the (row_id, column_id) of the top-left and bottom-right cells in these regions, respectively. The row and column IDs start from 1.

The merged cell areas are as follows:
{'top-left':(1, 1), 'bottom-right':(2, 1)}
{'top-left':(1, 2), 'bottom-right':(1, 3)}
{'top-left':(1, 4), 'bottom-right':(1, 5)}
{'top-left':(2, 6), 'bottom-right':(2, 7)}.