How much do BIM models make in the US?

I'm curious to know, how much revenue do BIM models typically generate in the United States? Is this an industry that's experiencing steady growth, or are there fluctuations in earnings? What factors influence the profitability of BIM models, and are there any trends or projections for the future of this sector? Additionally, are there any specific industries or regions within the US that tend to have higher or lower earnings from BIM models?