You have to understand that the business folks who make the application also make the decision to wait. Clearly, in their business and their industry, it's beneficial to wait. It's not necessarily an impediment. There is a reason for that to happen. It could be that you may have a weak patent and you want to keep the patent pending as long as possible.
It would be interesting to look at the makeup of the 25%. I don't know that we've done that.