You likely still need some assistance to understand the diagram. Take a look at the diagram below. The horizontal red lines would correspond to your answer that "all energy values have the same number of impulses." However, the blue line shows anything but a horizontal course, meaning the impulse values change with the energy values.
It’s best if you read the page with the description of what information a gamma measurement provides and how the table values relate to the corresponding diagram once again and then try to solve the subsequent task.
