Does the sentence "Other supportive evidence includes: a 20% difference in peak expiratory flow rate on at least three days in a week for at least two weeks, a 20% improvement of peak flow following treatment with either salbutamol, inhaled corticosteroids or prednisone, or a 20% decrease in peak flow following exposure to a trigger." answer the question "What is the rate that is used in most of the evidence?"

Available choices:
* yes
* no
yes