The data that deflate with CPI? The metric notorious for laundering forced substitution into voluntary substitution? The American Dream is to Owner's Imputed Rent a house?

I love BLS, they do a lot of thankless work very well, but if you give someone else control of the inflation basket you are letting them pick any slope for these graphs that they want. Don't do that. It's the economic equivalent of handing your passport to an employer, talking about your net worth in public, or signing a blank check. Just don't. Yeah, we're all busy, you probably don't have time to construct a basket more sophisticated than "gold" or "housing" -- but even though those both have big problems, they still aren't as bad long-term as CPI. Or maybe you disagree and think the CPI basket and hedonic adjustment methodology compounds better for your purposes, but if so you should be able to roughly account for the dramatic difference and articulate why.