Financials & Filings Annual Reports Title View 2018 Annual Report 2018 Annual Report 1 MB 2017 Annual Report 2017 Annual Report 1.6 MB Proxy Statements Filing date View Apr 25, 2019 View HTML 0001047469-19-002585.pdf 0001047469-19-002585.xls Apr 25, 2018 View HTML 0001047469-18-003173.pdf 0001047469-18-003173.xls Form 10-K Filing date View Mar 12, 2019 View HTML 0001047469-19-001136.pdf 0001047469-19-001136.xls EX-101.INS - EX-101.INS Mar 12, 2018 View HTML 0001047469-18-001539.pdf 0001047469-18-001539.xls EX-101.INS - EX-101.INS Form 10-Q Filing date View Aug 01, 2019 View HTML 0001104659-19-043196.pdf 0001104659-19-043196.xls EX-101.INS - XBRL INSTANCE DOCUMENT May 03, 2019 View HTML 0001104659-19-026838.pdf 0001104659-19-026838.xls EX-101.INS - XBRL INSTANCE DOCUMENT