Though around 150,000 convicts were sent to Australia, we can't forget that around 50,000 were sent to the American colonies as well.

http://www.amazon.com/Bound-Iron-Chain-Transported-Convicts/dp/098367440X/ref=sr_1_1?ie=UTF8&qid=1309874514&sr=8-1

America has some claim to convict glory as well :-)

If you have to ask, you will never know.