My suggestion would be to take 3mos at a time,[instead of all EAC 485 cases, as there's no use in looking for e.g., Aug2002 cases now], the month BCIS is processing, the b4 month, and after month, and can move as BCIS date moves/ or every month..
??
OCI Application delivered: 11/10/08
OCI Acknowledged on 12/02/08
OCI Photos Scanned on 12/12/08
OCI Registration Status: Granted - 12/18/08
OCI Registration Status: Printed - 12/18/08
OCI Documents Dispatched: 12/19/08
OCI Documents Rcvd at CGINY: 12/25/2008
OCI Recieved by Me: 12/31/2008