“What do you call a girl who works in a sunbed shop?”/“Tanya.”

The name “Tanya” sounds like “tan ya/you.” A riddle has been cited in print since at least 2002:
 
Q: What do you call the woman who operates your sun-bed?
A: Tanya.
 
“What do you call a girl who works in a solarium? Tanya” was posted on Twitter on May 18, 2011. “What do you call a women that runs a sunbed shop? TANYA!” was posted on Twitter on October 21, 2011.
 
         
h2g2
Sad Name Jokes
Created Aug 9, 1999 | Updated Oct 30, 2002
(...)
what do you call the womn who operates your sun-bed?———TANYA
   
Yahoo! Answers (January 17, 2009)
what do you call the womn who operates your sun-bed?———TANYA
 
Twitter
Anthony Hamilton 🏴󠁧󠁢󠁳󠁣󠁴󠁿‏
@1974Hamilton
What do you call a girl who works in a solarium?   
Tanya.
8:23 AM - 18 May 2011
   
Twitter
Sophie Farrow‏
@sophiefarrow_BM
Replying to @thismorning
@itvthismorning Could a man tell a joke like this? What do you call a women that runs a sunbed shop? TANYA! Classic….I am soo much funnier
5:04 AM - 21 Oct 2011
 
Google Books
The Mammoth Book of One-Liners
Edited by Geoff Tibballs  
London, UK: Constable & Robinson Ltd
2012
Pg. ?:
What do you call a woman with a sunbed on her head?
Tanya.
 
19 February 2012, The People (London, UK), “Joke Of The Week,” pg. 28:
Q: WHAT do you call a girl who works in a solarium?
A: Tanya.
 
Twitter
mat baker‏
@matbakercannock
What do you call a girl that works in a sunbed salon?
Tanya
10:58 AM - 19 Feb 2012 from Walsall, England
   
Twitter
Jokes UK 🔞‏
@jokesuk
What do you call a girl with a sunlamp on her head?
Tanya!
4:26 PM - 23 Dec 2015
 
Reddit—Jokes
What do you call a woman who works in a sunbed shop?
submitted August 7, 2017 by tsoir
Tanya
 
Reddit—Oneliners
What do you call a girl that works in a sunbed shop. Tanya.
submitted February 6, 2018 by The-Memberberry