Trade data is easy to resell and hard to verify, which is why the market has so many vendors and so much variation in quality. These are the questions that tell the two apart.
Fair to state our own position against the list above: we publish the data level and year range for every market we cover, including the ones where we hold nothing usable. We will tell you which markets have shipment detail and which have statistics only before you commit. And if your product is a poor fit for what the records contain, we say so on the call rather than after.
Tell us the product and the market. We will reply with what the records actually contain for it — which markets have shipment detail, which have statistics only, and what a working list would look like. No charge, and no obligation.