Which disneyland area sells the most toy story themed souvenirs?

The only verified information provided concerns Tokyo Disneyland, its size, opening date, and ownership structure. There is no mention of Toy Story merchandise, specific park areas, or sales data related to the franchise within the provided sources. Because the query requires identifying the Disneyland area with the highest sales of Toy Story themed souvenirs, and no such data exists in the evidence, a definitive answer cannot be given. Further research with reliable sources would be necessary to determine which area, if any, leads in Toy Story merchandise sales.