Quarterly US dollars
1999-09-30 -7348
1999-12-31 -8034
2000-03-31 -9448
2000-06-30 -9822
2000-09-30 -8383
2000-12-31 -9102
2001-03-31 -9084
2001-06-30 -9791
2001-09-30 -9450
2001-12-31 -10302
2002-03-31 -11737
2002-06-30 -13149
2002-09-30 -14355
2002-12-31 -15800
2003-03-31 -17134
2003-06-30 -18809
2003-09-30 -18171
2003-12-31 -20516
2004-03-31 -20245
2004-06-30 -22041
2004-09-30 -24651
2004-12-31 -26169
2005-03-31 -29544
2005-06-30 -31717
2005-09-30 -31431
2005-12-31 -30509
2006-03-31 -30245
2006-06-30 -30028
2006-09-30 -30231
2006-12-31 -32149
2007-03-31 -30484
2007-06-30 -41933
2007-09-30 -35507
2007-12-31 -40304
2008-03-31 -42893
2008-06-30 -26555
2008-09-30 -58422
2008-12-31 -49370
2009-03-31 -33478
2009-06-30 -24868
2009-09-30 -22138
2009-12-31 -17898
2010-03-31 -24813
2010-06-30 -24240
2010-09-30 -24409
2010-12-31 -27498
2011-03-31 -28787
2011-06-30 -23730
2011-09-30 -28556
2011-12-31 -27736
2012-03-31 -26575
2012-06-30 -26800
2012-09-30 -27650
2012-12-31 -29047
2013-03-31 -25108
2013-06-30 -24655
2013-09-30 -24711
2013-12-31 -24408
2014-03-31 -25976
2014-06-30 -26386
2014-09-30 -25901
2014-12-31 -25379
2015-03-31 -25498
2015-06-30 -24965
2015-09-30 -25462
2015-12-31 -25394
2016-03-31 -25489
2016-06-30 -25127
2016-09-30 -25554
2016-12-31 -21963
2017-03-31 -19953
2017-06-30 -22019
2017-09-30 -24877
2017-12-31 -25643
2018-03-31 -26718
2018-06-30 -24864
2018-09-30 -20712
2018-12-31 -20788
2019-03-31 -19204
2019-06-30 -21658
2019-09-30 -23940
2019-12-31 -25590
2020-03-31 -22239
2020-06-30 -29755
2020-09-30 -34550
2020-12-31 -36443
2021-03-31 -34165
2021-06-30 -27187
2021-09-30 -27772
2021-12-31 -35475
2022-03-31 -30964
2022-06-30 -26482
2022-09-30 -20679
2022-12-31 -22601
2023-03-31 -24575
2023-06-30 -22549
2023-09-30 -21697
2023-12-31 -23563