In addition, from the report section, you can examine which floor you consider as rigid and the number of rigid basement floors, because with amplitude (in floors with the same pattern), the earthquake force value increases as one goes out of the floor, whereas the seismic force of the rigid basement first reaches a high value as the picture below shows. The owner later sees it increase, which means that if we didn't accept the basement floor as a rigid basement floor, the earthquake force would increase from the basement floor upwards.