We're quite confident that the general trends and the general level of data going to most countries is reasonably accurate. Certainly if there are some issues about very small companies that are hard to track, as I mentioned, we don't have independent indicators of who is investing overseas.
Because we don't want to overburden smaller companies with a lot of surveys, there may be some issues about which we don't have full coverage, and that's an issue. This is part of the trade-off in trying not to overburden people, but to come up with accurate measures.
For the very largest companies, where most of the value is, we are quite confident that we have good coverage.