Someone posted the 'probable' amount of applications HSMP receive a month recently, and coupled with the recent increase in processing time, this is most probably in the '000s region. If you want to be statistical, the amount of people that post on this forum and their success or failure rate is in no way representative of the 'overall' HSMP approval rate, which without insider knowledge, no-one really knows.
If you have been thorough and organised about it (and from the posts on this forum it seems that you pretty much have), I'm sure you will get approved... so sit back, relax and hope for the best... there is not much you can do now that you sent the pack out