Re:Restaurant prices in the 19th and 20th centuries (2009)
by dsr_ on Saturday July 31, 2021 @06:19PM
(#28021993)
The data's not available before 1947, but the trend is clear: you're looking at the early part of a compound growth formula (with large annual variability).
https://fred.stlouisfed.org/series/A939RX0Q048SBEA/
US GDP per person has grown about 1% per year on average.
Wages stopped increasing to match productivity in the early 1980s, and that trend continues.