Where it comes from
FY3/11 Financial Results Explanatory Material Nintendo Co., Ltd. · 25 April 2011 Open the original ↗
The line in the source
sales of "Pokémon Black Version" and "Pokémon White Version" became robust in and out of Japan. [pdftotext of full document: no million-seller title table with per-title units; only aggregate hardware/software tables]