Respectively/each/in turn
One of these three variants is not correct. Which one is it and why? 'Respectively' is correct for sure. I'm in two minds about 'in turn' and 'each'.
Here is the sentence:
Mexico and Togo followed a similar trend as they both reached a peak in 2005, with 242 and 23 researchers in respectively/each/in turn.
I would be extremely grateful if you provided your point with an accurate explanation. Thank you for your help.