bulk add select attribute options

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# concrete5 Version 5.6.3.4

I know this may seem simple enough. Surely I am missing something very basic.
I would like to populate a user select attribute with a list of options.

eg. nationalities
Afghan
Albanian
Algerian
American
Andorran
Angolan
Antiguans
etc..
Do I have to do this one by one ?

telnz