Apparently it ended up being 12. You can look them up here:
- Don Bacon, Nebraska
- Brian Fitzpatrick, Pennsylvania
- Andy Harris, Maryland
- Jaime Herrula Beutler, Washington
- Richard Hudson, North Carolina
- John Kakto, New York
- Nicole Malliotakis, New York
- Daniel Meuser, Pennsylvania
- Mariannette Miller-Meeks, Iowa
- Bill Posey, Florida
- Christopher H. Smith, New Jersey
- Frederick Stephen Upton, Michigan
The COFA states are very strongly aligned with the US and pretty much always vote with them. I don't know much about, say, Tonga, but I'm guessing it's a way of signaling cooperation to the US as well.