u know latest news that only 1000 application acceptable for immigration per year in fast track. The fast track apply timing start from jan to june each year and CHC must solve in one year. The quota is only 1000 application for Pakistan. On the other hand student also bear quota but due to police and regulation act (those who proof genuine student are welcome to Canada) CHC cannot declare its quota for students.
Following are the research for PK student that what are the Quota and trend of Canada.
https://docs.google.com/file/d/0B-qleQGLrRcyYy16cTVmN0o1UWM/edit