What (a) has been the breakdown of the costs of corruption within his department in the past five financial years, (b) number of tenders have been cancelled as a result of irregularities and/or corruption in each province in the past five years, (c) is the total amount of irregular expenditure in each province in the past five years, (d) is the percentage of tenders that have been put on the e-Tender portal in each province in the past five years, (e) is the percentage of tenders that have been uploaded on e-portal sites in each province and (f) is the (i) national and (ii) provincial percentage of tender processes that are paper based?