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.
['e', '2137', '9729', '1817', 'Z', 'r', 'g', '663', 'V', '7187', '6451', '1583', '717', 'b', '5615', '2129']