There are a number of appeals available. A person can seek leave to appeal a negative decision to the federal court. There's also the pre-removal risk assessment, and individuals can apply for humanitarian and compassionate consideration if all other avenues fail for them. I don't think we have exact statistics on the number of individuals who try each and every one of those avenues of appeal. We could certainly provide what information we have to the clerk.
On April 30th, 2012. See this statement in context.