+1(514) 937-9445 or Toll-free (Canada & US) +1 (888) 947-9445
when you apply to citizenship, Question 9D in form CIT002, you gave permission to CIC to obtain your information from CBSA. You dont have to order again.
 
https://i94.cbp.dhs.gov/I94/request.html

this link shows my all entry dates to USA. But i donno that this report is acceptable from CIC ? :D