In regards to my earlier question about how VO works, I was doing some internet search and came across with the audit report. As I was a former auditor, I found this very interesting. http://www.oag-bvg.gc.ca/internet/docs/parl_oag_201111_02_e.pdf
The suggestions part, especially 2.96 " CIC and the CBSA do not have systematic mechanisms for quality assurance or measuring performance that would provide a reasonable level of assurance that their processes are working and that practices are appropriate for today’s challenges". It seems nothing has changed since 2011..
and also the rejection rates in 2010 69.000/370000 almost %20.. (page #9)
If you have time, I suggest to take a look at..