As for getting a complete database, you can probably forget that. You can manually copy everything, but good luck with that. Obviously ioi could decide to give it to you, but with only 2 posts and no information about you, unless you have a really really good reason why would he?
As for the regions. America is all of the Americas (both north and south). Others is all other African/Asian markets not accounted for by the other regions. I may be off, but I believe that is correct.
Also, the European sales may be more consistent because it appears that they are getting close to meeting demand across Europe. If demand is met every week, then you can expect typical sales, rather than erratic sales that depend on shipments.