“What did the cat say when he lost all his money?”/“I’m paw!”

A cat riddle is:
 
Q: What did the cat say when he lost all his money?
A: I’m paw (poor)!
 
The joke was posted on the newsgroup alt.games.tiberian-sun on October 23, 1999, and has been printed on several images.
 
         
Google Groups: alt.games.tiberian-sun
non-violent cat jokes
Walrus Boy Bigger and better
10/23/99
(...)
What did the cat say when he lost all his money ?
I’m paw ! 
 
9 December 2001, Sunday Herald-Sun (Melbourne, Australia), “Laugh Out Loud,” pg. F6:
Q.What did the black cat say when he lost all his money?
A.I’m paw.
Mia, 10, Melton
 
Google Books
Everything Cats Expect You to Know 
By Elizabeth Martyn
London, UK: New Holland
2007
Pg. 118:
What did the cat say when he lost his wallet?
I’m paw!
 
Google Books
The Awesome Book of Cat Humor
By Bob Phillips
Eugene, OR: Harvest House Publishers
2009
Pg. 22:
Q: What did the cat say when he lost all his money?
A: I’m paw.
 
Google Books
Pet Humor!
By Oliver Gaspirtz
Westhoff Publishing
2014 (Originally published in 1999.—ed.)
Pg. 49:
Q: What did the cat who has no money say?
A: I’m paw.
   
Google Books
More Lol Cat Jokes For Kids
By Peter Crumpton
PeteyRF Creative
2015
Pg. ?:
What did the cat say when he lost all his money?
I’m paw.
     
Twitter
mikaela.‏
@adoringdom
Replying to @Harry_Styles
@Harry_Styles harry What did the cat say when
he ran out of money?I’M PAW,follow 💝🍂
🔜 @oncezaphes &
🔜 @OimyLirry
#MadeInTheAM 💕x18,081
11:47 AM - 5 Oct 2015
 
Twitter
ZuzuandGromit‏
@zuzuandgromit
What did the cat say when he lost all his money? I’m paw! #blackcat #aweekofmischiefwithzuzuandgromit #cat
6:58 AM - 17 Oct 2015
 
Twitter
amelia‏
@AmeliaLucke
What did the cat say when he lost all his money?  I’M PAW!
7:31 PM - 19 Oct 2015
 
Twitter
Cats & Teapots‏
@CatsandTeapots
What did the cat say when he lost all his money? I’m paw!
10:46 AM - 23 Oct 2015
 
Twitter
Shit Jokes‏
@ShitJokes
What did the cat say when he lost all his money?
I’m paw!
10:56 AM - 31 Aug 2017