1date,value21989-07-01,60.831989-10-01,60.941990-01-01,60.551990-04-01,60.561990-07-01,59.871990-10-01,60.181991-01-01,60.30000000000000491991-04-01,60.1101991-07-01,59.800000000000004111991-10-01,60.1121992-01-01,59.699999999999996131992-04-01,59.6141992-07-01,59.3151992-10-01,59.7161993-01-01,60.2171993-04-01,60.2181993-07-01,60.2191993-10-01,60.5201994-01-01,60.6211994-04-01,60.6221994-07-01,60.6231994-10-01,60.8241995-01-01,61.1251995-04-01,60.900000000000006261995-07-01,61.2271995-10-01,61.4281996-01-01,61.6291996-04-01,61.5301996-07-01,61.4311996-10-01,61.6321997-01-01,61.6331997-04-01,61.9341997-07-01,62.2351997-10-01,62.4361998-01-01,62.900000000000006371998-04-01,63.0381998-07-01,62.2391998-10-01,63.2401999-01-01,63.0411999-04-01,63.2421999-07-01,63.0431999-10-01,63.8442000-01-01,63.8452000-04-01,63.3462000-07-01,63.2472000-10-01,62.599999999999994482001-01-01,61.7492001-04-01,62.0502001-07-01,61.2512001-10-01,61.7522002-01-01,61.7532002-04-01,61.60000000000001542002-07-01,60.900000000000006552002-10-01,61.0562003-01-01,61.0572003-04-01,61.8582003-07-01,62.1592003-10-01,62.6602004-01-01,63.1612004-04-01,63.0622004-07-01,63.400000000000006632004-10-01,63.7642005-01-01,63.7652005-04-01,64.1662005-07-01,64.2672005-10-01,64.2682006-01-01,65.1692006-04-01,65.0702006-07-01,65.2712006-10-01,65.7722007-01-01,66.2732007-04-01,66.5742007-07-01,67.0752007-10-01,67.1762008-01-01,67.1772008-04-01,67.1782008-07-01,66.9792008-10-01,66.4802009-01-01,66.3812009-04-01,66.69999999999999822009-07-01,67.4832009-10-01,67.6842010-01-01,67.9852010-04-01,67.9862010-07-01,68.4872010-10-01,68.8882011-01-01,69.1892011-04-01,69.1902011-07-01,68.5912011-10-01,68.80000000000001922012-01-01,69.1932012-04-01,69.0942012-07-01,69.1952012-10-01,68.8962013-01-01,69.0972013-04-01,68.8982013-07-01,68.69999999999999992013-10-01,69.01002014-01-01,69.31012014-04-01,69.51022014-07-01,69.51032014-10-01,69.81042015-01-01,69.81052015-04-01,70.01062015-07-01,69.699999999999991072015-10-01,69.61082016-01-01,69.699999999999991092016-04-01,69.91102016-07-01,69.91112016-10-01,69.81122017-01-01,69.81132017-04-01,69.91142017-07-01,69.91152017-10-01,70.01162018-01-01,69.81172018-04-01,69.81182018-07-01,70.01192018-10-01,69.51202019-01-01,70.21212019-04-01,69.91222019-07-01,69.91232019-10-01,69.91242020-01-01,68.31252020-04-01,68.51262020-07-01,68.41272020-10-01,68.699999999999991282021-01-01,68.41292021-04-01,68.31302021-07-01,68.01312021-10-01,68.100000000000011322022-01-01,67.199999999999991332022-04-01,65.91342022-07-01,65.699999999999991352022-10-01,66.21362023-01-01,66.51372023-04-01,66.41382023-07-01,66.199999999999991392023-10-01,66.71402024-01-01,66.91412024-04-01,66.81422024-07-01,67.21432024-10-01,67.41442025-01-01,67.21452025-04-01,67.51462025-07-01,68.01472025-10-01,68.31482026-01-01,68.11492026-04-01,68.9150