How is the funding level determined in your jurisdiction or program for the gaming or gambling program? This can include interventions anywhere in the continuum of care, i.e. prevention, protection, harm minimization, treatment, or other? One source located is a collection of USA state expenditures. Like Canada, the approach differs from state to state/province to province:
2016 Survey of Problem Gambling Services in the United States led by Jeff Marotta et al. which can be seen at https://www.ncpgambling.org/wp...-12-19-2017-1-18.pdf