It should not take too long. All the G7 countries have already done it, so we don't have to reinvent the wheel.
Interestingly, when they were setting up their breast implant registry in Korea, they actually did a meta-analysis and researched the current existing breast implant registries in the world. They published a paper that outlines the key elements of a good breast implant registry and how to build one. Other people have already done the work. We would just have to implement it.