Thanks, but the linked source seems very sketchy, it never actually cites or even specifies where it got the information. e.g. >In addition, using data from a

Thanks, but the linked source seems very sketchy, it never actually cites or even specifies where it got the information. e.g. >In addition, using data from a nationwide inventory, we reach a figure of 105 million metered spaces. It never mentions what the source of this 'nationwide inventory' is, who made it, when, etc...