"Total Views" fieldtype

Create a "Total Views" field

If you aren't specifying a key when you increment the view counter, leave the View Key setting blank.

Add field to element's field layout

This field is read-only, and cannot be edited (without directly accessing the database).

View as column on element index page

Add the new field to your element's field layout. You can then select it as a column on your element's index page.