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', 'A', '6855', '8149', '113', 'Q', 'w', 'i', 'j', 'N', '1421', '3841', '2395', '9637', 'L', '5361', 'J', '4787']