LOL! Well that makes 3. This one you posted and these two though I only posted the one but I think somebody else posted the second one:
http://www.freerepublic.com/focus/f-news/3649969/posts
And linked at the one above:
https://townhall.com/tipsheet/guybenson/2018/04/23/defensive-gun-uses-study-n2473447
Funny thing is, like I said, 20 year old data so how accurate is it today? Great minds and all that.
The ratios are unlikely to change, though the absolute numbers probably do. Given the increases in both population and gun ownership, the most likely change is an increase in incidents.