An official website of the United States government
Here’s how you know
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.
Version 07 is the current version of the data set. Older versions will no longer be available and have been superseded by Version 07. . 2ADPR provides single- and dual-...