A 23-year-old woman presents to the PMHNP with a chief complaint of "nervous tension." After a full evaluation and the administration of the Hamilton Anxiety Scale (HAM-A), the PMHNP diagnoses her with generalized anxiety disorder. He plans to use today's HAM-A score as a baseline and then readminister the scale at every follow-up appointment to monitor treatment. Her score today is 20. What does this score indicate?