Quarter	US Dollars, sum over component sub-periods
1995-01-01	5927281.721493940
1995-04-01	313699827.217618000
1995-07-01	202691462.094890980
1995-10-01	432409437.624737000
1996-01-01	65520164.046479810
1996-04-01	-435010279.215572000
1996-07-01	365406816.822802000
1996-10-01	248558175.270107980
1997-01-01	82597967.300044210
1997-04-01	107551452.202347000
1997-07-01	164265287.715711980
1997-10-01	118657541.966910000
1998-01-01	16755763.590809299
1998-04-01	165367281.380131000
1998-07-01	123926879.134095000
1998-10-01	166297682.634479020
1999-01-01	49767993.828991900
1999-04-01	365087889.121109000
1999-07-01	258562877.236713000
1999-10-01	233936995.409213000
2000-01-01	291872526.529467000
2000-04-01	222898799.523475000
2000-07-01	194712952.311613020
2000-10-01	398920369.373473050
2001-01-01	79853497.396246600
2001-04-01	228213222.140023000
2001-07-01	165694685.466377000
2001-10-01	238433235.867446000
2002-01-01	146850925.089366000
2002-04-01	386175336.742583000
2002-07-01	40430114.349161500
2002-10-01	591965785.652048000
2003-01-01	397844184.752365000
2003-04-01	524077541.279041050
2003-07-01	430278026.046987000
2003-10-01	515091095.189354960
2004-01-01	539003810.159254100
2004-04-01	819733957.624549000
2004-07-01	814166494.048933000
2004-10-01	785662550.552709900
2005-01-01	1022925627.975700000
2005-04-01	1345872074.883000100
2005-07-01	1178797433.547200000
2005-10-01	1570649665.095510000
2006-01-01	1023867902.122460000
2006-04-01	1252653176.667770000
2006-07-01	578674325.833732000
2006-10-01	1504437463.015760000
2007-01-01	5572240057.630079000
2007-04-01	2847142211.941050000
2007-07-01	2011442887.081329800
2007-10-01	3793668172.475490000
2008-01-01	1721440355.522519800
2008-04-01	3648967703.057430000
2008-07-01	70476948.745025100
2008-10-01	-1069084285.131020000
2009-01-01	-2253434500.541120000
2009-04-01	-833435601.056641000
2009-07-01	-1258772888.664409900
2009-10-01	-116657904.067011000
2010-01-01	-1793363842.131790200
2010-04-01	501921156.929780000
2010-07-01	-302408458.977874000
2010-10-01	-1586707559.148050000
2011-01-01	-1304333118.782410100
2011-04-01	174154958.098382980
2011-07-01	710217982.323651000
2011-10-01	-1200468940.014760000
2012-01-01	2873563527.260030000
2012-04-01	-410994164.364213050
2012-07-01	228746395.883115020
2012-10-01	-2131772163.859690000
2013-01-01	117039179.567520000
2013-04-01	-2283297035.116770300
2013-07-01	-422416963.298278030
2013-10-01	-3545156729.665160000
2014-01-01	-2258982645.667370000
2014-04-01	-423718643.238407970
2014-07-01	-969153406.059063900
2014-10-01	903393149.119777100
2015-01-01	161317046.278025980
2015-04-01	-407689195.989241000
2015-07-01	-579194358.790139900
2015-10-01	-167861556.148911000
2016-01-01	-220426.794344843
2016-04-01	-322278650.594312000
2016-07-01	-1321638961.115310000
2016-10-01	2039940420.737960000
2017-01-01	-1085376461.154650000
2017-04-01	-457177278.153521000
2017-07-01	-1394355239.312190000
2017-10-01	1963510531.913310000
2018-01-01	-1630474823.027380000
2018-04-01	1038732844.054830000