qeue simple show zero in statistics

Hi i have set up qeue simple and it is working great. The problem is that when i click on total statistics then there is nothing at all. I would like to know how much that client have download until i decide to reset the counters. can someone maybe explain why the total statistics is showing zero.
qeue.JPG

change total queue type from default-small to small. total queue is not installed for better performance if you did not setup any limits and did not change anything at all

i have changed the total qeue and all everything from default-small to default. I will check if it works thanx