If no spillover (as not expected) for this visa year and we use our own
quota (2,802) only, then the cutoff date would be around June 1st, at
farthest in my opinion:
Green Card Tracker based on Official USCIS I-485 Data http://immigrationroad.com/green-card-tracker.php
Chargeability: China
EB Preference: EB2
Priority Date: May 31, 2012