It varies quite a bit. It only gets released when all of the jobs are done and we only have one or two people doing each job. Some jobs can be done at the same time, others can’t. Usually if someone can move on to the next volume once their job is done, so there’s some concurrency. People also have school and various life commitments which means they may not be able to work on things for long periods of time, so then that volume gets put on hold until they’re back or we can get someone else to fill in, which does not happen often.