Last few years EB2 India has received good amount of spill overs. Unused numbers from EB4 and EB5 go to EB1. Unused numbers from EB1 goes to EB2. In EB2, all the spillover go to most retrogressed country (India in this case) till it reaches the next retrogressed (China in this case).
The number of Green Cards issued under EB2 India category is as follows:
FY 2014 - 23,527
FY 2013 - 17,193
FY 2012 - 19,726
FY 2011 - 23,997
FY 2010 - 19,961
FY 2009 - 10,106
FY 2008 - 14,806
Average of the above numbers is 18,474. Last year number is 23,527.