It is available from this site. Yield ratios of certain draws Not all draws are equal. The calculation depends on the number of winners in each category and the prize pool. This can differ substantially for different types of draw. Percentages are based on averages.
Typical values differ for lotteries of different countries.
Card patterns Lottery QuickStats shows card patterns. Consider Mr Average marking rows down on the lottery entry card. In fact, many people do this. Looking at card patterns, one can see that. Prizes are low for common patterns.