41.   Ms. Toomey has found that customary rates vary in different regions of the country.

42.   Most landscapers charge by the hour and rates vary.

43.   Of course intermarriage rates vary by region.

44.   Participation rates vary enormously by state, the researchers found.

45.   Prescription rates vary widely.

46.   Rates vary according to region and distance the electricity is being carried.

47.   Rates vary according to the activity.

48.   Rates vary by size and season.

49.   Rates vary widely by race.

50.   Rates vary, but not by much this late in the year.