SCEJ CEO is getting his 4x from Famitsu's head and the original Famitsu wording was convoluted. Last two weeks would be 19k x 4 = 76k
two weeks ago vita numbers were 8k so it could be 32K (which of course is a number not worth mentioning) but I guess well find out Wednesday.
Sony would only have shipment numbers, sell through numbers would come from one of the big media outlets such as media create or Famitsu