1date,value21989-07-01,38.031989-10-01,37.941990-01-01,37.751990-04-01,37.661990-07-01,37.471990-10-01,37.281991-01-01,37.191991-04-01,37.0101991-07-01,36.7111991-10-01,36.5121992-01-01,36.3131992-04-01,36.4141992-07-01,36.3151992-10-01,36.2161993-01-01,36.2171993-04-01,36.0181993-07-01,35.7191993-10-01,35.5201994-01-01,35.4211994-04-01,35.2221994-07-01,35.0231994-10-01,34.8241995-01-01,34.7251995-04-01,34.2261995-07-01,33.9271995-10-01,34.0281996-01-01,34.2291996-04-01,34.2301996-07-01,34.3311996-10-01,34.5321997-01-01,34.7331997-04-01,34.8341997-07-01,34.9351997-10-01,35.0361998-01-01,35.1371998-04-01,35.2381998-07-01,35.1391998-10-01,35.5401999-01-01,35.6411999-04-01,35.7421999-07-01,35.7431999-10-01,35.9442000-01-01,35.9452000-04-01,35.9462000-07-01,35.9472000-10-01,35.9482001-01-01,35.7492001-04-01,35.9502001-07-01,35.7512001-10-01,36.0522002-01-01,36.1532002-04-01,36.2542002-07-01,36.2552002-10-01,36.2562003-01-01,36.3572003-04-01,36.5582003-07-01,36.6592003-10-01,36.7602004-01-01,36.5612004-04-01,36.5622004-07-01,36.6632004-10-01,36.6642005-01-01,36.7652005-04-01,36.9662005-07-01,37.0672005-10-01,37.0682006-01-01,37.2692006-04-01,37.3702006-07-01,37.4712006-10-01,37.5722007-01-01,37.7732007-04-01,37.8742007-07-01,38.0752007-10-01,38.1762008-01-01,38.2772008-04-01,38.3782008-07-01,38.5792008-10-01,38.8802009-01-01,39.1812009-04-01,39.3822009-07-01,39.5832009-10-01,39.7842010-01-01,39.7852010-04-01,39.9862010-07-01,40.0872010-10-01,40.0882011-01-01,40.0892011-04-01,39.9902011-07-01,39.7912011-10-01,39.7922012-01-01,39.6932012-04-01,39.5942012-07-01,39.4952012-10-01,39.5962013-01-01,39.5972013-04-01,39.4982013-07-01,39.3992013-10-01,39.41002014-01-01,39.41012014-04-01,39.31022014-07-01,39.31032014-10-01,39.41042015-01-01,39.31052015-04-01,39.41062015-07-01,39.41072015-10-01,39.31082016-01-01,39.31092016-04-01,39.31102016-07-01,39.21112016-10-01,39.31122017-01-01,39.31132017-04-01,39.31142017-07-01,39.41152017-10-01,39.41162018-01-01,39.41172018-04-01,39.51182018-07-01,39.51192018-10-01,39.71202019-01-01,39.81212019-04-01,39.71222019-07-01,39.81232019-10-01,39.51242020-01-01,39.31252020-04-01,38.91262020-07-01,38.61272020-10-01,38.31282021-01-01,37.91292021-04-01,37.61302021-07-01,37.31312021-10-01,37.21322022-01-01,36.81332022-04-01,36.51342022-07-01,36.41352022-10-01,36.51362023-01-01,36.51372023-04-01,36.41382023-07-01,36.41392023-10-01,36.51402024-01-01,36.51412024-04-01,36.41422024-07-01,36.51432024-10-01,36.51442025-01-01,36.41452025-04-01,36.41462025-07-01,36.51472025-10-01,36.51482026-01-01,36.41492026-04-01,36.4150