It's been a long time since we last heard of MegaMan 9's sales performance, in fact, we've yet to hear how the game's been holding up in Japan--until today.
According to VGChartz, MegaMan 9 (WiiWare version) has sold a grand total of 231,500 units worldwide as of December 2008. In North America and PAL regions, sales remain at 100k each while Japanese sales total to 94k. (math seems a bit off...) In the end, the title has brought in a revenue of $2,541,000. Not bad!
Unfortunately, MM9's total sales across all three home consoles (Wii, 360 and PS3) remains unknown at this time.