Table:
fiscal year
all r&d expenditures
federal government
state and local government
institution funds
business
nonprofit organizations
all other sources

2010
61257
37477
3853
11941
3198
3740
1048

2011
65274
40771
3831
12601
3181
3854
1036

2012
65775
40130
3704
13674
3282
4033
951

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':(X, Y), 'bottom-right':(Z, W)}, where '(X, Y)' and '(Z, W)' 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.

This table does not contain any merged cells.