Count Elements
Tool to count all elements in the scene (total is shown in parentheses), grouping them by type, such as: Assemblies, Empty Assemblies, Parts, Structured Parts, Surface Parts, Reference Parts, Sheet Metal Parts, Facet Parts, 3D Curves, External Links, Fasteners, Steels (also these are divided by type and the total length is shown), Pipes and Flanges.
Drag and drop the command into the scene and here is the result.
By right-clicking on the group, you can Select, Suppress or Unsuppress them.