I think this is the relevant graph [0] for what you're speaking about - price changes of selected US goods and services from 1997-2017. [0]: https://imgur.com/

I think this is the relevant graph [0] for what you're speaking about - price changes of selected US goods and services from 1997-2017. [0]: https://imgur.com/a/JVjIQ8r https://imgur.com/a/JVjIQ8r