This statistical property tracks the occurrences of bonus and powerball numbers.
When analyzing e.g. the latest draw in Expert Lotto 6/49 Demo Lottery with winning numbers 23-29-36-42-44-47-[7] then column Bonus in e.g. Winning Numbers Properties window shows value of 7.Note: Bonus numbers statistics are available only when analyzing tickets with bonus numbers or powerball numbers.
See also Bonus Numbers ticket filter and Bonus Numbers statistics.