How many collectable Smurfs are there?

Excuse me, could you please clarify something for me? I'm interested in understanding the intricacies of the Smurfs collectibles market. Specifically, I'm wondering, how many unique and collectable Smurfs figures or items are there out there in the world? Are there any estimates or definitive numbers that the collectors' community has arrived at? I'm fascinated by the potential value and rarity of these items, and I'm eager to learn more.