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.
['3635', '7907', 'z', 'e', '4631', '4063', 'l', 'R', '6063', '69', 'k', 'v', '599', '5415', '2273', 'M', 't', 'r', '8945']