How old is pan in end of Z?

How old is pan in end of Z? After the end of Dragon Ball Z, Pan is first seen in GT, in (Pan is now 13-14 years old), after the 28th World Martial Arts Tournament, at the age of fourteen, Pan is seen stopping Goku (not knowing who he was) from foiling a bank robbery and does so herself, but scares off her date in the process.

After the end of Dragon Ball Z, Pan is first seen in GT, in (Pan is now 13-14 years old), after the 28th World Martial Arts Tournament, at the age of fourteen, Pan is seen stopping Goku (not knowing who he was) from foiling a bank robbery and does so herself, but scares off her date in the process.
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