Looks like the goal posts for known words in LingQ will be:
Beginner 1: 680
Beginner 2: 2040
Intermediate 1: 8.160
Intermediate 1: 16.320
Advanced 1: 28.220
Advanced 2: 41.140
[Note: Beginner 1/2 should be exact; extrapolated from Int. 1 - Adv. 2]