Again, it's the quality of the reports. Whether it's a medical device or an adverse reaction related to a drug, it hasn't been determined whether or not mandatory reporting gives you good-quality information to be able to make those determinations.
A number of countries in the world have instituted mandatory reporting, and they did not feel it actually gave them any additional information. There have been no safety signals picked up as a result of mandatory reporting in any of the countries that instituted mandatory reporting worldwide.