As a part of announcing its fourth-quarter financial results, Apple has released a detailed breakdown (PDF) of where the money came from. Regionally the Americas continued to be Apple's greatest source of revenue, generating $9.648 billion, up 34 percent year-over-year. Europe was up 36 percent to $7.397 billion however, and the Asia-Pacific region -- which includes China -- jumped 139 percent to $6.530 billion.