Yes, I select 36 texts. I repeated the operation more than once and the result is always the same. When I click on "make a word list now", a message is shown saying "problem making word list", I click on "ok", then, the frequency list appears. When I click on "statistics" I obtain the list, but only with 20 texts. I am sending you attached some screenshots. If more details are needed, please, let me know.