Calculate and show the percentiles and maximum value for each query.

[danstarns]

On average it takes 2.31 seconds, very long ones take 8.34.

Then I can see that 50% of the samples take 2.70 or less, 75% of the samples, take 3.40 or less, and 99% of the samples take 7.98 or less. Being the slowest sample 8.34.