User blog comment:Xilinoc/Ch. 545 - Blue Stripes/@comment-2211792-20130709150618/@comment-11051098-20130709154745

Right, I forgot it happened that early.

But, Quincies destroy all souls they kill, both Hollows and Shinigami, don't they? So it would count both the large amount of Hollows they killed before starting the war, and the Shinigami they killed.