The key is really the misleading definitions at the beginning. He includes what we'd call lifestyle businesses as startups. Is a new carpet cleaner a startup?
Publish the raw data, Vivek, with the actual names of the businesses, their founders, their market caps, their sectors, and their revenue growths in a single publicly accessible, read-only Google Spreadsheet.
Because my feeling is that the actual businesses selected will differ strongly from the kinds of operations peoe on Hacker News are concerned with: Google, Facebook, Adobe, LinkedIn, Apple, Twitter etcetera, and the kinds of companies they acquire.
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Edit: here's the original study
http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1431263
Note that this is a survey of 549 respondents across twelve industries. First, that is a relatively small sample to slice and dice on multiple axes simultaneously, though you can compare each attribute to the population at large.
More importantly though it is not a rank ordered survey within those industries. For example, identify the top N most profitable companies started in the last T years in the hardware sector, for different values of N and T. Who are their founders? What are their characteristics? They are going to look more like Jen Hsung Huang of Nvidia, another Stanford grad school product, than the demographic profile Wadhwa presents.