You said you hadn't seen one and I quickly found you one. No, I don't know how to quantify it, but if you'd like to continue to disagree with me I think you'll

You said you hadn't seen one and I quickly found you one. No, I don't know how to quantify it, but if you'd like to continue to disagree with me I think you'll have to do the research on it, since you seem to be very engaged with the problem, and I have other things to do.