Copied from http://www.nriweb.com/chicagopermgraph.php
Latest case certified for Priority Date 09 Mar 2006, on 10 Apr 2006 (View this entry)
Average time to get certified (i.e. mean) = 74 days
Median time to get certified (i.e. median) = 60.5 days
Most common certification time (i.e. mode) = 43 days
Latest case certified for Priority Date 09 Mar 2006, on 10 Apr 2006 (View this entry)
Average time to get certified (i.e. mean) = 74 days
Median time to get certified (i.e. median) = 60.5 days
Most common certification time (i.e. mode) = 43 days