21. The city now has Belgium's second-highest case-clearance rate . 22. Experts say there are no studies that demonstrate a connection between rewards and crime clearance rates . 23. Clearance rates are used by various groups as a measure of crimes solved by the police.24. The above formula only applies for GFR calculation when it is equal to the Clearance Rate . 25. By comparison, last year there were 569 homicides, and the clearance rate was 70 . 7 percent. 26. We are seeing a higher clearance rate . 27. From some officials come predictions that police response times will lengthen and crime clearance rates will fall. 28. Koppel said, speaking of the clearance rate . 29. Currently, the Phoenix police have a " modest " 12 percent clearance rate , according to the proposal. 30. Still, Stringer said, " a clearance rate of 70 percent is not bad at this point ."