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.
['3373', '4153', 'j', '4455', 'E', '2121', 'z', 'Q', 'S', '849', 'q', 'B', 'v', '5459', '4035', 'R', '5289', '4439', 'R']