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.
['31', '8723', '7257', '6457', 'n', '6467', 'Z', '2145', 'E', 'A', 'D', 'D', '9203', 'S', '4317', 'm', 'S', '4441', 'r', 'j', '1751', 'f', 'R', 'g', 'X', 'q', 'h', '9401', '2675', 'U', 'U', 'O', '6933', '2813', '8727', 'U', 'n', 'v', 'U']