According to MMOCulture, Daum released some statistics from the first month's service for Black Desert Online in North America and Europe. Included is the information that Daum brought in $12M in the game's first month of release and that active daily users numbers 120,000 with 100,000 generally present concurrently.
The information was released during a recent media conference in Korea with both Daum Games and Pearl Abyss present.
Read more at the link above.
Thanks to WNxbadboy3 for the tip!