Kirk here reporting that 7.8% was high enough to put Kumamoto on top in the area…

Kirk here reporting that 7.8% was high enough to put Kumamoto on top in the area of bicycle helmet use:

“Kumamoto Prefecture in the country’s southeast had the highest rate of any prefecture at 7.8 percent, while Hyogo Prefecture had the lowest at 1.9 percent. The figures for Tokyo and Osaka were 5.6 and 2.4 percent respectively.”