There are two ways to answer your question, and I can only provide information relating to one.
In terms of the actual take-up and application of the credit itself, in 2012, the last year for which we have data, approximately 350 companies issued flow-through shares. They were applicable in respect of between 30,000 and 40,000 individual investors. They raised about $750 million through these shares to be applicable for investment.
I think maybe the other question is about what the margin is. I don't have a figure that I can provide to you as to the marginal impact.