stock quantity for the product set as track inventory by product attribute

Hi,
In the Administration >> catalog>> product, we have a list of all the products added in the store. in this list, for the products with "the inventory track by product attribute," the stock quantity is not displayed. please guide how to calculate the stock quantity for the product set as track inventory by product attribute.

Thanks

See if this helps
https://www.nopcommerce.com/en/boards/topic/45816/track-inventory-by-product-attributes