Quarter	US Dollars, Sum Over Component Sub-periods
1990-01-01	665220331.342274
1990-04-01	739917976.760082
1990-07-01	589578335.886246
1990-10-01	708607180.782367
1991-01-01	629757785.467128
1991-04-01	589071291.838274
1991-07-01	666996911.241914
1991-10-01	749515589.219658
1992-01-01	759149707.039543
1992-04-01	615320217.664295
1992-07-01	547724750.277470
1992-10-01	727378374.095399
1993-01-01	690283721.667459
1993-04-01	647057280.050379
1993-07-01	595061602.167578
1993-10-01	703644050.734850
1994-01-01	664811686.375832
1994-04-01	620734560.011575
1994-07-01	589236229.277068
1994-10-01	624832525.395240
1995-01-01	736492890.995260
1995-04-01	680343209.936560
1995-07-01	671256454.388984
1995-10-01	747658957.406543
1996-01-01	911325852.542414
1996-04-01	835328025.010991
1996-07-01	793295545.770793
1996-10-01	1043877399.930900
1997-01-01	1061523748.804590
1997-04-01	960715487.810742
1997-07-01	920489002.262117
1997-10-01	960210068.130204
1998-01-01	1104873276.183380
1998-04-01	892861256.363594
1998-07-01	871824226.145921
1998-10-01	1072030783.864410
1999-01-01	1144149112.164990
1999-04-01	940936863.543788
1999-07-01	1022459557.091250
1999-10-01	1054109123.839710
2000-01-01	1155566771.433160
2000-04-01	966935447.542682
2000-07-01	967045326.734900
2000-10-01	981188962.443469
2001-01-01	1272168051.829070
2001-04-01	975193027.229275
2001-07-01	1034951456.310680
2001-10-01	1206863800.417910
2002-01-01	1277423402.697900
2002-04-01	1007722007.722010
2002-07-01	1055729733.188300
2002-10-01	1336788225.049380
2003-01-01	1341889026.329740
2003-04-01	1121448507.836540
2003-07-01	1101875120.819640
2003-10-01	1360595925.813320
2004-01-01	1561970298.783110
2004-04-01	1284925794.186190
2004-07-01	1300922857.288530
2004-10-01	1626471471.881570
2005-01-01	1960794975.666780
2005-04-01	1572853007.397880
2005-07-01	1632873525.012460
2005-10-01	1921962855.682400
2006-01-01	2597736328.463360
2006-04-01	1771257164.919370
2006-07-01	1676725034.931770
2006-10-01	2352528089.887640
2007-01-01	2139808808.467050
2007-04-01	1981492718.446600
2007-07-01	2026147959.183670
2007-10-01	2760517469.695430
2008-01-01	2993233381.982220
2008-04-01	2380685378.805370
2008-07-01	2208224083.903560
2008-10-01	2790793598.416100
2009-01-01	2562091853.120650
2009-04-01	1922769336.227580
2009-07-01	1933161172.717610
2009-10-01	2255090765.588000
2010-01-01	2468372673.990330
2010-04-01	2011803618.911730
2010-07-01	1912293083.536510
2010-10-01	2823726806.158700
2011-01-01	2424621416.982150
2011-04-01	2223523333.907350
2011-07-01	2114789235.532270
2011-10-01	2796336733.696180
2012-01-01	2642533635.273740
2012-04-01	2183798053.126550
2012-07-01	2142857142.857140
2012-10-01	2789101917.255300
2013-01-01	2613437324.432400
2013-04-01	3067027097.446590
2013-07-01	2059370988.446730
2013-10-01	3315127651.467040