With regard to findings of medical inadmissibility under section 38(1) of the Immigration and Refugee Protection Act, broken down by year since 2015: (a) what is the number of applicants who received a Procedural Fairness Letter citing a concern of medical inadmissibility, broken down by (i) ground of inadmissibility (danger to public health, danger to public safety, or excessive demand on health or social services), (ii) immigration stream (economic class, family class, temporary resident, or other); (b) of the applicants in (a), what is the number of applicants ultimately found inadmissible following that process, broken down by (i) ground of inadmissibility, (ii) immigration stream; (c) of the applicants in (a) who were ultimately found admissible, what is the number for each, broken down by (i) ground of inadmissibility, (ii) immigration stream, (iii) basis for that outcome (mitigation plan accepted, updated medical evidence, or other); (d) what was the excessive demand cost threshold applied in each year, including the (i) annual figure, (ii) five-year cumulative figure; and (e) how many applicants were exempted from an excessive demand assessment under the categories set out in section 38(2) of the Act, broken down by exemption category (protected persons, refugees, sponsored spouses or common-law partners, or dependent children)?