If someone wanted to get per-chip statistics, the better way would be to have a dynamic list, which grows automatically when a new chip is mentioned in the results.

Of course, with the number of chips growing into the hundreds, the value of knowing exactly what happens in each individual chip starts to diminish. EDIT: also, measuring these statistics in the driver, with a high difficulty setting, produces very erratic per-chip results, unless you measure over very long times.