In this task, you are given an input list. A list contains several comma-separated items written within brackets. You need to return the count of all the numerical elements in the given list. Return 0 if no numerical element in the list.
['Z', '3527', '5957', '8089', '3709', '5055', '7143', 'B', 'W', '7603', 'f', '4377', '575']