They took it out of the DSMV so I don't think it is being used much officially anymore, at least in the US. I know my hospital doesn't use it anymore. I know that mine has been as low as around 25 and as high as the mid60s-low 70s since diagnosis. My therapist used to use it to communicate with my pdoc sometimes but chooses to use a depression inventory now (and I assume would find something for mania if needed).