This Resolution test chart is based on Fujifilm X-T10 camera body.
From top to bottom are at F/2.8, F/4, F/5.6, F/8, F/11, F/16, F/22.
Left 2 columns are sagittal and tangential at frame center.
Middle 2 columns are sagittal and tangential at 1/2 of frame.
Right 2 columns are sagittal and tangential at frame border.
The number 36 means there are 3600 lines across the vertical of frame(each step is 300 lines).
Regarding the detail of test procedure please reference to "Basic of lens test on Olympus E-PL6".
This is a fantastic wide angle lens. The optical element alignment is perfect. Sharpness of 4 corners are very close, as you can see this(hit for 1600 pixel picture):