Yes, I think the floor going up each time is the most significant thing about it. That might be why investors are suddenly pouring so much capital into the infrastructure.
I got time to look at the numbers properly a few minutes ago. Ignoring the size of the spikes, it's the steady trend in the lows that's most revealing. There's an surprisingly steady 10x increase every 12 to 15 months. Even if this were to slow down to 10x every 18 to 24 months that's the sort of scope for returns that's definitely going to get investors attention.