Possible Clues:

• Frequency
• Frequency of occurrence
• Frequency of occurrence with small company would be a fluke
• Is this how often you get such happenings, by the sound of it?
• That's how often they happen, by the sound of it
• How often the happenings happen, by the sound of it
• Instance of something happening
• Rate of occurrence (eg, of a crime)
• Does this occur to the sounds of the happenings?
• How often does it happen that this sounds like 12 across?