84 total, with this breakdown:
Core Basics 19/20
Intermediate 20/20
Advanced 13/20
Expert 15/20
Grandmaster 17/20
Scientific Estimate: 69 100 word
It began very simple, so that I took it not very serious for a moment, but I never heard many of the later words. But thanks to knowing some latin and other languages, I could understand many of them.