That's a good question. I don't have an update on the numbers, and I think you're quite right that a number of factors are at play in this chart, including Sarbanes-Oxley, and including the bursting of the dot-com bubble, which is in here as well.
I think what the chart was intended to show is, first, to draw out the fact that these various exchanges are in a competitive field; and second, to draw out the success of London, which has pursued a more principles-based approach to regulation, which we think has considerable merit. And it's still an issue for discussion, frankly. A lot of people prefer more rules-based.... But we thought it was useful to illustrate the success that London has had to this period, perhaps partly attributable to the approach to regulation, and even to be aware that the Australian exchanges are in the running as well and that this is all part of the competitive field.
Certainly the merger of the TSX and the MX was carried out precisely to unite forces and to provide a stronger platform to compete internationally. Hopefully you would see that this would help this chart over time.