1date,value21989-07-01,3.531989-10-01,3.441990-01-01,3.551990-04-01,3.461990-07-01,3.571990-10-01,3.681991-01-01,3.591991-04-01,3.5101991-07-01,3.7111991-10-01,3.7121992-01-01,3.8131992-04-01,3.9141992-07-01,4.1151992-10-01,4.0161993-01-01,3.8171993-04-01,3.8181993-07-01,3.8191993-10-01,3.7201994-01-01,3.5211994-04-01,3.4221994-07-01,3.5231994-10-01,3.5241995-01-01,3.5251995-04-01,3.6261995-07-01,3.7271995-10-01,3.6281996-01-01,3.5291996-04-01,3.4301996-07-01,3.5311996-10-01,3.4321997-01-01,3.4331997-04-01,3.4341997-07-01,3.4351997-10-01,3.3361998-01-01,3.3371998-04-01,3.2381998-07-01,3.5391998-10-01,3.2401999-01-01,3.3411999-04-01,3.2421999-07-01,3.2431999-10-01,3.2442000-01-01,3.2452000-04-01,3.2462000-07-01,3.2472000-10-01,3.2482001-01-01,3.2492001-04-01,3.1502001-07-01,3.1512001-10-01,2.9522002-01-01,2.9532002-04-01,2.9542002-07-01,3.0552002-10-01,2.9562003-01-01,2.8572003-04-01,2.6582003-07-01,2.7592003-10-01,2.6602004-01-01,2.5612004-04-01,2.6622004-07-01,2.5632004-10-01,2.5642005-01-01,2.5652005-04-01,2.4662005-07-01,2.5672005-10-01,2.5682006-01-01,2.4692006-04-01,2.4702006-07-01,2.4712006-10-01,2.3722007-01-01,2.2732007-04-01,2.1742007-07-01,2.0752007-10-01,1.7762008-01-01,1.5772008-04-01,1.5782008-07-01,1.2792008-10-01,1.0802009-01-01,0.8812009-04-01,0.8822009-07-01,0.7832009-10-01,0.6842010-01-01,0.5852010-04-01,0.5862010-07-01,0.5872010-10-01,0.4882011-01-01,0.4892011-04-01,0.4902011-07-01,0.5912011-10-01,0.4922012-01-01,0.4932012-04-01,0.6942012-07-01,0.6952012-10-01,0.7962013-01-01,0.7972013-04-01,0.8982013-07-01,0.9992013-10-01,0.91002014-01-01,0.91012014-04-01,1.01022014-07-01,1.11032014-10-01,1.01042015-01-01,1.11052015-04-01,1.11062015-07-01,1.11072015-10-01,1.21082016-01-01,1.21092016-04-01,1.21102016-07-01,1.31112016-10-01,1.31122017-01-01,1.31132017-04-01,1.41142017-07-01,1.41152017-10-01,1.41162018-01-01,1.51172018-04-01,1.61182018-07-01,1.61192018-10-01,1.61202019-01-01,1.61212019-04-01,1.61222019-07-01,1.71232019-10-01,1.71242020-01-01,1.91252020-04-01,2.01262020-07-01,2.11272020-10-01,2.21282021-01-01,2.31292021-04-01,2.41302021-07-01,2.41312021-10-01,2.41322022-01-01,2.61332022-04-01,2.71342022-07-01,2.71352022-10-01,2.61362023-01-01,2.61372023-04-01,2.61382023-07-01,2.61392023-10-01,2.51402024-01-01,2.51412024-04-01,2.51422024-07-01,2.41432024-10-01,2.41442025-01-01,2.41452025-04-01,2.41462025-07-01,2.41472025-10-01,2.41482026-01-01,2.41492026-04-01,2.3150