With regard to visa requirements for citizens of Mexico entering Canada since the removal of Canada’s visa requirement for Mexican nationals on December 1, 2016: (a) what is the number of asylum claims made by Mexican nationals to date; (b) what is the number of rejected asylum claims for Mexican nationals to date; (c) what is the number of removals of failed refugee claimants from Mexico to date; (d) what is the total cost to date of processing asylum claims from Mexican nationals; (e) has the government established a certain threshold of failed asylum claims that must be reached to require the re-imposition of a visa requirement for Mexican nationals traveling to Canada and, if so, what is the threshold; and (f) what are the details of any formal visa exemption reviews undertaken by the Department or the Immigration and Refugee Board?