“Where do smart hot dogs end up?”/“On honor rolls.”

A popular hot dog pun is:
 
Q: Where do smart hot dogs end up?
A: On honor rolls.
   
The joke has been cited in print since at least 1996.
 
   
Google Books
The Little Giant Book of Riddles
By Joseph Rosenbloom
Illustrated by Sanford Hoffman
New York, NY: Sterling Publishing Company, Inc.
1996
Pg. 99:
Where do you put a very smart hot dog?
On the honor roll.
 
27 February 1997, Lawrence (KS) Journal-World, “Laughs for a winter day,” pg. D1, col. 5:
How do smart hot dogs end up?
On the honor rolls.—Cynthia Shannon
 
10 September 2003, Ashtabula (OH) Star Beacon, “Classroom humor,” pg. C1, col. 6:
Where do smart hot dogs end up?
On the honor roll.
     
Google News Archive
10 May 2007, The Bath County News-Outlook (Owingsville, KY), “Humor,” pg. A-5, col. 4:
Q: Where do very smart hot dogs end up?
A: On honor rolls.
 
Twitter
kendra k
‏@kendrak
where do smart hot dogs end up? on the honor roll.
11:11 AM - 10 Dec 2007
 
Twitter
Zen Jar
‏@zenjar
Where do smart hot dogs end up?  On honor rolls (via #zenjar )
7:28 AM - 28 May 2009
 
Twitter
natalie finnegan
‏@natfinnie
These candy wrapper jokes are the worst… “Where do smart hot dogs end up? On honour rolls!”- Laffy Taffy
9:34 PM - 2 Apr 2010
 
Google Groups: trevs-daily-family-post
TREV : Jest For Kids 11-15-10
theoldfella
11/15/10
(...)
What do extra smart hot dogs end up on?
Honor Rolls.
 
Google Books
The Collocation of Tales of Alienation:
Tale of Advent III
By Robert London
ferg ferg
2014
Pg. ?:
Where do very smart hot dogs end up ? On honor rolls