I am on H1 b visa since 2006. Below are my stay details in US.

US Entry Date US Exit Date Total days
18-Nov-2006 31-Mar-2007 134
27-Oct-2007 1-Apr-2009 522
13-Mar-2010 26-Mar-2011 378
22-May-2011 15-June-2012 390
16-Jul-2012 Continuing 278...