10 ms and it's working like a charm
And since you are using Stage, you can turn on Status in your Project Browser view and monitor your Program Code-Block status (expand out to Stage level) and watch it "round robin" across your 10 stages.
If it ever "hangs", you can easily see where it is hanging in Project Browser Status (try it, just disconnect or turn off one of your CLICKs and see what it looks like in Designer Project Browser).