Annual Reports and Proxies Form 10-Ks Filing date View Apr 1, 2019 View HTML 0001171843-19-002131.pdf 0001171843-19-002131.xls EX-101.INS - XBRL INSTANCE FILE Apr 2, 2018 View HTML 0001171843-18-002453.pdf 0001171843-18-002453.xls EX-101.INS - XBRL INSTANCE FILE Mar 15, 2017 View HTML 0001171843-17-001534.pdf 0001171843-17-001534.xls EX-101.INS - XBRL INSTANCE FILE Mar 16, 2016 View HTML 0001171843-16-008621.pdf 0001171843-16-008621.xls EX-101.INS - XBRL INSTANCE FILE Apr 30, 2015 View HTML 0001144204-15-026613.pdf 0001144204-15-026613.xls EX-101.INS - XBRL INSTANCE DOCUMENT Mar 27, 2014 View HTML 0001144204-14-018035.pdf 0001144204-14-018035.xls EX-101.INS - XBRL INSTANCE DOCUMENT Mar 22, 2013 View HTML 0001144204-13-016910.pdf 0001144204-13-016910.xls EX-101.INS - XBRL INSTANCE DOCUMENT Apr 16, 2012 View HTML 0001144204-12-021628.pdf 0001144204-12-021628.xls EX-101.INS - XBRL INSTANCE DOCUMENT Proxy Statements Filing date View Nov 25, 2019 View HTML 0001171843-19-007769.pdf 0001171843-19-007769.xls Sep 30, 2019 View HTML 0001171843-19-006199.pdf 0001171843-19-006199.xls Dec 7, 2018 View HTML 0001171843-18-008366.pdf 0001171843-18-008366.xls Dec 4, 2017 View HTML 0001171843-17-007401.pdf 0001171843-17-007401.xls Jan 3, 2017 View HTML 0001171843-17-000008.pdf 0001171843-17-000008.xls Aug 9, 2016 View HTML 0001171843-16-011630.pdf 0001171843-16-011630.xls Jun 24, 2016 View HTML 0001171843-16-010836.pdf 0001171843-16-010836.xls Aug 27, 2013 View HTML 0001144204-13-047894.pdf 0001144204-13-047894.xls Apr 2, 2013 View HTML 0001144204-13-019652.pdf 0001144204-13-019652.xls Dec 31, 2012 View HTML 0001144204-12-070300.pdf 0001144204-12-070300.xls