Quarterly US Dollars, sum over component sub-periods
1999-01-01 65105260.275618900
1999-04-01 376203074.065686000
1999-07-01 175127529.406162020
1999-10-01 564609173.330002100
2000-01-01 440319912.777958000
2000-04-01 268957907.821019000
2000-07-01 131034099.796162000
2000-10-01 556472061.216561000
2001-01-01 41519231.009097290
2001-04-01 233306761.737015000
2001-07-01 -16045841.943303400
2001-10-01 -772960003.040338000
2002-01-01 161299797.897443980
2002-04-01 216109419.348303000
2002-07-01 -168210695.882667000
2002-10-01 -107049967.702299000
2003-01-01 -8004191847.582740000
2003-04-01 -606566083.887944100
2003-07-01 -47277594.930365200
2003-10-01 292715957.274139000
2004-01-01 -27503296.309057600
2004-04-01 -342289925.080899000
2004-07-01 363135148.279292050
2004-10-01 553136782.756677000
2005-01-01 -19656883.016414500
2005-04-01 417825636.723373000
2005-07-01 87804064.423704700
2005-10-01 -537590444.825701000
2006-01-01 307941797.848256000
2006-04-01 -111862769.038515000
2006-07-01 428247097.316221000
2006-10-01 349563984.784471040
2007-01-01 494290470.994480000
2007-04-01 114586689.401036000
2007-07-01 60494522.919739306
2007-10-01 228953235.772012000
2008-01-01 367060824.284611000
2008-04-01 215564016.704592020
2008-07-01 -44985286.432994700
2008-10-01 51221482.948537700
2009-01-01 -52042367.218039800
2009-04-01 315942907.590099040
2009-07-01 195968051.985254970
2009-10-01 0.000000000
2010-01-01 222786711.869768000
2010-04-01 213475327.504311000
2010-07-01 -527276287.448600000
2010-10-01 289109247.304136000
2011-01-01 73830176.534853400
2011-04-01 57571886.974672094
2011-07-01 -724337624.119350100
2011-10-01 351652517.782100000
2012-01-01 -841925787.012112000
2012-04-01 -765564792.903074000
2012-07-01 -2052210553.874770200
2012-10-01 -707302952.212060900
2013-01-01 -354944073.322016000
2013-04-01 463633499.666220960
2013-07-01 -287439576.781832000
2013-10-01 156528074.910349000
2014-01-01 -947010257.936149000
2014-04-01 -818640873.829546000
2014-07-01 214572709.828575020
2014-10-01 -61183502.842942804
2015-01-01 745232970.244614000
2015-04-01 -1318408902.927770000
2015-07-01 162307824.152323000
2015-10-01 -792254019.894469000
2016-01-01 209405454.627601000
2016-04-01 677530449.742773000
2016-07-01 353731467.978346000
2016-10-01 287694956.865114030
2017-01-01 858839021.883611100
2017-04-01 36292639.353057900
2017-07-01 102180682.126145990
2017-10-01 856055266.387393000
2018-01-01 1059292506.368400000
2018-04-01 331155654.411976000