Thank you, Mr. Oliver, for the question.
Clearly, with regard to the supplementary estimates that this committee is examining, we were delighted to receive an additional $5 million, which has gone to some of the items that you indicated. One is the funding for the Canadian drugs and substances strategy, which the deputy referred to earlier. This is very much to address many of the issues specific to the opioid crisis.
This is in addition to our annual grant funding level of approximately $1.1 billion in available authorities. This is a significant amount of money that we try to invest as wisely as possible, given the very significant expectations and pressure on health research generally in the area of antimicrobial resistance that you referred to. For instance, in the past five years, we've spent well over $100 million in AMR research, an average of $22 million a year. We work very closely with the Public Health Agency and the like.
With regard to opioids, I would just indicate that many of the investments recently—whether through the Canadian drug strategy or our funding more generally—are to provide clear evidence of what works best in what setting and to provide the direct kind of clinical guidance required for clinicians and first-line providers to ensure that those efforts are well done. For instance, there's a study under way right now to evaluate models of care. Is it methadone or—