The PCE fraction for "food and beverages" (home, away, alcohol) ranges from 13.8% to 17.0%.
That Wiki page also has a nice comparison to the consumer price index (CPI), which was previously used by the US Fed. US Social Security still uses CPI to adjust national pension payments.
Also, you wrote that food prices had more inflation in 2020 compared to other recent years. During the COVID-19 pandemic, many people had cheaper transportation costs, which would offset some or all of this food price inflation.
The PCE fraction for "food and beverages" (home, away, alcohol) ranges from 13.8% to 17.0%.
That Wiki page also has a nice comparison to the consumer price index (CPI), which was previously used by the US Fed. US Social Security still uses CPI to adjust national pension payments.
Also, you wrote that food prices had more inflation in 2020 compared to other recent years. During the COVID-19 pandemic, many people had cheaper transportation costs, which would offset some or all of this food price inflation.