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.
['6929', 'P', '3191', '1807', 'Y', '7789', 'T', '8173', 'V', 'E', 'k', 'T', '1289', 'y', 'C', '5713', 't', 'R', '5229']