Figure 1. Producer and import price indexes for crude petroleum, December 2019–August 2020 (December 2019 = 100)
Period	PPI for crude petroleum	MPI for crude petroleum
Dec 2019	100.0	100.0
Jan 2020	97.5	99.7
Feb 2020	83.6	88.9
Mar 2020	55.2	58.6
Apr 2020	28.3	37.1
May 2020	38.4	44.2
Jun 2020	66.8	58.8
Jul 2020	57.7	71.3
Aug 2020	64.3	73.5
Note: PPI = Producer Price Index; MPI = Import Price Index. Source: U.S. Bureau of Labor Statistics.