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.
['2157', 'K', '7459', 'i', 't', '6757', '1945', '5507', 'm', '4667', 'e', 'W', '1651', 'w', 'y', '5445', '6977']