Ample time for them to be copied many times, directly into many manuscripts.

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Video starts at 4-minute mark:

https://www.youtube.com/watch?v=T-nyH65qepA

How Long Were Late Antique Literary Manuscripts In Use? (Craig A. Evans, PhD)

Published on May 11, 2018

Southeastern Seminary (March 2018) – Craig Evans, Distinguished Professor of Christian Origins at Houston Baptist University, presents a lecture on “How Long Were Late Antique Literary Manuscripts in Use?” as part of the 2018 Ph.D. Colloquium Series.