Department of State Publication 9514 CA/VO: April 9, 2014
"VISA AVAILABILITY DURING THE COMING MONTHS
WORLDWIDE F2A: From early 2013 through September 2013, the level of demand for numbers in this preference category was extremely low. As a result, the F2A cut-off date was advanced at a very...
May 2016 Visa Bulletin
"D. VISA AVAILABILITY DURING THE COMING MONTHS
CHINA F4: The level of applicant demand being received has begun to increase. Should this pattern continue, it will be necessary to either hold or retrogress this final action date in late summer. That...