How old were each of the Survivor winners when they won?

The Survivor winners ages at the time of the win and in chronological order by season are as follows:

Richard Hatch (39)

Tina Wesson (40)

Ethan Zohn (27)

Vecepia Towery (36)

Brian Heidik (34)

Jenna Morasca (21)

Sandra Diaz-Twine (29)

Amber Bkrich (25)

Chris Daugherty (33)

Tom Westman (41)

Danni Boatwright (30)

Aras Baskauskas (24)

Yul Kwon (31)

Earl Cole (35)

Todd Herzog (22)

Parvati Shallow (25)

Bob Crowley (57)

James "JT" Thomas (24)

Natalie White (26)

Sandra Diaz-Twine* (35)

Jud "Fabio" Birza (21)

Rob "Boston Rob" Mariano (34)

*Sandra Diaz-Twine won season 7 as well as season 20.