If you take into account all keno rounds ever played, you should get the statistics that all numbers were drawn pretty much the same number of times. In reality, some numbers were more common than others. For example, a New Zealand keno site calculated that the number 27 is the most common one, as it was drawn 25.74% of the time. On the other hand, the least drawn number was 17 which was drawn 23.7% of the time. You may notice that these statistics don’t tell you much, but they do differ a bit. Yet, you should carefully approach these statistics and understand that every new round of keno gives an equal chance to all numbers.