25 ILCS 60/4

The note shall be factual in nature, as brief and concise as may be, and shall provide a reliable estimate of the need of a decrease or increase of judges based upon population and case load of the particular county or counties, circuit or circuits, or judicial district or districts for which the change is required. If it is determined that such need can not be ascertained, the judicial note shall contain a statement to that effect, setting forth the reasons why a determination of need can not be given.