The only report I see is every month in the American Rifleman magazine from the National Rifle Association.
It has happened three times in my life. I dropped my girlfriend off in Arvada, Colorado about 2:00 am and was cutting across Northeast Denver to return home to Aurora. Two men tried several times to run me off of the road. They left in a hurry when they saw my Ruger 44 magnum.
Another time, a neighbor saw two guys trying to steal my car parked in front of our apartment. He went out with a gun and they left quickly.
One winter night when I was away from home, a guy was trying to break in the door to our garden level apartment in Aurora. My wife called the police to report it and then yelled to the guy that she had a gun and was going to shoot. When the police arrived, they found him laying on the ground with a compound fracture in his leg. He had slipped on the ice trying to run away. He told the police that some woman with a gun tried to attack him. My wife asked the police officer what she should have done if he hadn't stopped. The officer said, "When he comes in, shoot him and keep shooting until the gun is empty. Then throw the gun at him. That way there is no question about you being in fear of your life."
OMG. What a great story. Must be nice to have a PD that understands.
When these guys hopped my fence at 3 AM, I grabbed the PDW and ran outside (I rebarreled a m1 carbine, pistol gripstock and a 15 rd mag of roll-yer-own soft-points). Obviously, they exited in a hurry. I've known nobody else here (Hawaii) who has ever done this, though I have seen several stories posted on the High Road boards. When I asked the officers (always call, of course), they told me that if I had shot them, they'd probably have to arrest me. Paradise, my a$$.
BTW, I get America's First Freedom, and the first thing I usually look at is the "Armed Citizen".