Original sentence: 2003: $4.4 billion out of $21.5 billion.2004: $3.7 billion out of $21.1 billion.2005: $3.96 billion out of a total of $22 billion in premium revenue from the group.As of July 2006, Jain was overseeing about 30 employees at Berkshire Hathaway Reinsurance Group, located in the First Stamford Place office complex near downtown Stamford, Connecticut.Jain's operations provide a substantial portion of Berkshire Hathaway's overall insurance group revenues:.That 30-employee group, according to an article by Bloomberg News reporter Rob Urban, "generated float, the pool of premiums insurers invest before they need to pay out claims, of $16.23 billion as of 2005.That was more than double the $6.69 billion from Berkshire's 20,417-employee GEICO, the fourth-largest U.car insurer, according to Berkshire's annual report