How convenient it ends in 2019 when food prices shot through the roof

A similiar graph for germany: https://de.statista.com/statistik/daten/studie/75719/umfrage...

Typically 13-14% - my own statistics says ~17%

They update the data annually, most recently in September. Select chart #2 within the National heading here:

https://ers.usda.gov/data-products/food-expenditure-series/i...