ms. brant, i'm struck. let me ask you, i've noticed in some localities there's less prescription opioid, but there's no decrease in the number of deaths from opioid overdose, suggesting that it is illegal drugs replacing or back filling the loss of opioid prescriptions. is that what your data is showing? >> actually, i'm going to defer to the admiral on that one. >> yes. the prescription opioids have been a gateway, if you will, in that three of four people who use heroin started that way, but clearly the deaths now are far overshadowed by heroin and fentanyl. >> in those areas using m.a.t. more extensively, are we seeing fewer deaths related to opioids? >> so the data we have is that m.a.t. is more effective than non-m.a.t. in prevents death and providing long-term recovery. i do not have geographic data that correlates geographic use of m.a.t. with a lowering of the death rate within that geography. i will go back. >> could you get us that? >> yes, sir. i will go back and see if that data are