The count of contributions (summary of Pull Requests, opened issues and commits) to public repos at GitHub.com from Mon, 14 Apr 2014 04:55:12 GMT till Tue, 14 Apr 2015 04:55:12 GMT.
Only first 1000 GitHub users according to the count of followers are taken. This is because of limitations of GitHub search. Sorting algo in pseudocode:
githubUsers
.filter((user) -> user.location = 'malaysia')