Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Distribution of the EIA-RI values determined with the IDE-V3 formula (A) or IDE ratio (B). Horizontal black bars denote the 10th, 50th (median), and 90th percentiles. Boxes represent the 25th to 75th percentiles. The threshold is shown by the dotted line.
