Ammo stopping power database

[kotetu]

This site lists bullets by brand, model, weight, and number of shootings. What do you guys think of it's data?

http://www.handloads.com/misc/stoppingpower.asp?Caliber=15&Weight=115

sample:

9 mm Stopping Power 115 gr					
Brand		Bullet	Shootings	One Shot Stops	Percent	Diam	Penetration	Notes
Winchester	ST	421		349		83%	0.64"	13.7"	
Remington	JHP	265		217		82%	0.58"	14.3"	
Federal		JHP	382		317		82%	0.56"	13.6"	
Remington	JHP	49		39		80%	0.5"	12.8"		4" barrel or less
Federal		JHP	54		43		80%	0.53"	11.5"		4" barrel or less
Winchester	ST	40		32		80%	0.55"	11.1"		4" barrel or less
Speer		JHP	121		97		80%	0.59"	14.6"	
Winchester	FMJ	315		221		70%	0.35"	17.5"	
Winchester	FMJ	24		14		58%	0.35"	17.2"		4" barrel or less