If anybody is interested in doing more of these sorts of analyses, I have the corpus of who's hiring posts since January 2012 in JSON format available at http:/

If anybody is interested in doing more of these sorts of analyses, I have the corpus of who's hiring posts since January 2012 in JSON format available at http://hnhiring.me/data/comments-{thread-id}.json http://hnhiring.me/data/comments-{thread-id}.json. The thread ids for fulltime/freelancer for each month are here: http://hnhiring.me/data/threads.json http://hnhiring.me/data/threads.json.