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.
['P', '9109', 'I', '7875', '9729', '5351', '4431', 'W', '7025', 'R', 'F', 'O', '2849', 'g', 'P', '1359', '9645', 'K', '1027', '1789', 't', 'W', '7339']