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.
['1699', '5215', 'D', 'm', 'l', '9243', 'n', '5907', 'y', '7389', '2959', 'm', '35', 'l', '2979', '2389', '7607', '7143', 'I', 'F', '3689', 'Z', 'b', '9487']