Quarterly US dollars
1999-09-30 -1518
1999-12-31 -8841
2000-01-31 -4640
2000-02-29 -3454
2000-03-31 -4409
2000-04-30 -6072
2000-05-31 -7915
2000-06-30 -9107
2000-07-31 -9658
2000-08-31 -10443
2000-09-30 -11348
2000-10-31 -12052
2000-11-30 -14583
2000-12-31 -15562
2001-01-31 -15139
2001-02-28 -14102
2001-03-31 -15614
2001-04-30 -15618
2001-05-31 -15673
2001-06-30 -15159
2001-07-31 -15579
2001-08-31 -16666
2001-09-30 -16730
2001-10-31 -16260
2001-11-30 -16655
2001-12-31 -15866
2002-03-31 -17205
2002-06-30 -20011
2002-09-30 -19348
2002-12-31 -21383
2003-03-31 -23352
2003-06-30 -19351
2003-09-30 -21771
2003-12-31 -21901
2004-03-31 -21277
2004-06-30 -21154
2004-09-30 -21079
2004-12-31 -24108
2005-03-31 -23328
2005-06-30 -23008
2005-09-30 -22158
2005-12-31 -21659
2006-03-31 -22391
2006-06-30 -21296
2006-09-30 -23612
2006-12-31 -24974
2007-03-31 -23828
2007-06-30 -24116
2007-09-30 -22802
2007-12-31 -27251
2008-03-31 -28059
2008-06-30 -28078
2008-09-30 -24438
2008-12-31 -22937
2009-03-31 -18335
2009-06-30 -19907
2009-09-30 -17663
2009-12-31 -17545
2010-03-31 -20822
2010-06-30 -21374
2010-09-30 -23884
2010-12-31 -24828
2011-03-31 -28301
2011-06-30 -32397
2011-09-30 -32856
2011-12-31 -34677
2012-03-31 -35376
2012-06-30 -38121
2012-09-30 -38603
2012-12-31 -40290
2013-03-31 -40671
2013-06-30 -42580
2013-09-30 -44779
2013-12-31 -47578
2014-03-31 -51291
2014-06-30 -51667
2014-09-30 -50408
2014-12-31 -53355
2015-03-31 -71279
2015-06-30 -71558
2015-09-30 -78859
2015-12-31 -80610
2016-03-31 -86599
2016-06-30 -90179
2016-09-30 -94118
2016-12-31 -85721
2017-03-31 -92327
2017-06-30 -95277
2017-09-30 -94780
2017-12-31 -98546
2018-03-31 -100019
2018-06-30 -97870
2018-09-30 -95624
2018-12-31 -108225
2019-03-31 -99688
2019-06-30 -90949
2019-09-30 -81749
2019-12-31 -96987
2020-03-31 -83445
2020-06-30 -81736
2020-09-30 -72971
2020-12-31 -80710
2021-03-31 -73861
2021-06-30 -71330
2021-09-30 -70356
2021-12-31 -73304
2022-03-31 -72293
2022-06-30 -63604
2022-09-30 -55454
2022-12-31 -64609
2023-03-31 -62292
2023-06-30 -61608
2023-09-30 -61459
2023-12-31 -65083