Quarterly US Dollars, sum over component sub-periods
1999-01-01 -382998281.71603100
1999-04-01 237860568.99695200
1999-07-01 -1047364331.05820990
1999-10-01 -274784705.35045700
2000-01-01 -820318996.67420800
2000-04-01 -704603422.25854700
2000-07-01 -813912011.75070000
2000-10-01 -831545012.92872390
2001-01-01 281317042.28334700
2001-04-01 254920936.43798298
2001-07-01 501421022.48691000
2001-10-01 1251998510.54394000
2002-01-01 846817524.56770500
2002-04-01 145995157.71329600
2002-07-01 667380728.95250800
2002-10-01 456602150.11817700
2003-01-01 -3085513812.97391000
2003-04-01 360785851.58176500
2003-07-01 40532413.02777970
2003-10-01 -484262461.67540800
2004-01-01 -364504958.39205796
2004-04-01 -2313270050.09474000
2004-07-01 996913552.95157910
2004-10-01 -941758471.97296800
2005-01-01 -1049675610.20661000
2005-04-01 -2212249999.79069000
2005-07-01 -938471596.89469300
2005-10-01 -1022866722.16594000
2006-01-01 742535993.76308200
2006-04-01 -6940181907.50016000
2006-07-01 16387719.79237920
2006-10-01 2074267105.74366000
2007-01-01 806592610.60316200
2007-04-01 -4722875516.73641000
2007-07-01 -2649632496.22410000
2007-10-01 -1132328345.50573020
2008-01-01 -4792535525.80291100
2008-04-01 -1425226186.36095000
2008-07-01 -2003180536.91944000
2008-10-01 -17566258102.25760300
2009-01-01 -8573850954.73237000
2009-04-01 -66449570.26075110
2009-07-01 -3419541099.35040000
2009-10-01 -261989783.17668800
2010-01-01 -278789668.57963500
2010-04-01 -1219488149.50031020
2010-07-01 1698763435.03238990
2010-10-01 1663818157.28565000
2011-01-01 2085110038.58224000
2011-04-01 897544142.71797400
2011-07-01 -156575057.22137502
2011-10-01 2338553031.72195000
2012-01-01 3880207013.16053000
2012-04-01 -105481209.04049501
2012-07-01 6761585947.94178000
2012-10-01 4807978003.29053000
2013-01-01 1874066982.19341000
2013-04-01 3477041857.09522000
2013-07-01 3755011941.39829000
2013-10-01 2631053557.94179000
2014-01-01 -398155252.22816000
2014-04-01 -1610894146.35642000
2014-07-01 316806417.61032600
2014-10-01 5261469611.99060100
2015-01-01 -1437969350.40293000
2015-04-01 1490152139.67234000
2015-07-01 4262002250.59302000
2015-10-01 5740775843.03799000
2016-01-01 635781688.69146700
2016-04-01 4568460256.98963900
2016-07-01 3560846974.17796000
2016-10-01 -157046995.55092698
2017-01-01 -345598764.46491700
2017-04-01 -94495276.19805810
2017-07-01 2053902207.69063000
2017-10-01 358060834.07288796
2018-01-01 2799093740.60549000
2018-04-01 -1966937769.08387020