I have been keeping track of all the Defensive dice rolls for well over 100,000 rolls for several weeks now. I have finally tallied up the rolls and here are my results.
To land on a specific number there is a 16.66% chance
105,497 rolls
14,337 were 1's 13.59%
17,987 were 2's 17.05%
18,841 were 3 ...