Just poking in on this, does anyone have a graph of outages over time? I'm wondering if it has been increasing or decreasing; and therefore if amazon is getting

Just poking in on this, does anyone have a graph of outages over time? I'm wondering if it has been increasing or decreasing; and therefore if amazon is getting better at managing it's demand. Bonus points if it compares the size of the customer base over time in comparison or relation.