I'm going to give you another clue, because I must not have a lot of time left, and that's the issue of writing. That's 56%; so it's in the same range. People write in English because their supervisor won't understand if I write to him in French. You should also know what the situation is in that regard, particularly since federal employees have a right to write in their first language.
On December 7th, 2010. See this statement in context.