In this day and age, it would be fun to publish a list of "MBA density" by industry or company. Compare eBay and Google with AIG for instance and tell me which

In this day and age, it would be fun to publish a list of "MBA density" by industry or company. Compare eBay and Google with AIG for instance and tell me which one had the highest MBA density(). I have no clue where to get accurate data on this. But I have full confidence in HN community to send me a link to a reputable answer. () obviously defined as the percentage of employees with an MBA degree within an organization