Quarterly US dollars
1999-03-31 -401
1999-06-30 1722
1999-09-30 1053
1999-12-31 -599
2000-03-31 3155
2000-06-30 3046
2000-09-30 4940
2000-12-31 -4114
2001-03-31 2036
2001-06-30 3159
2001-09-30 -3623
2001-12-31 1741
2002-03-31 -56
2002-06-30 2320
2002-09-30 859
2002-12-31 2330
2003-03-31 -147
2003-06-30 -450
2003-09-30 530
2003-12-31 5781
2004-03-31 4365
2004-06-30 7093
2004-09-30 4092
2004-12-31 2097
2005-03-31 17367
2005-06-30 13918
2005-09-30 3274
2005-12-31 15163
2006-03-31 15741
2006-06-30 12047
2006-09-30 10736
2006-12-31 -8436
2007-03-31 22027
2007-06-30 -21049
2007-09-30 26841
2007-12-31 -11265
2008-03-31 -23885
2008-06-30 10410
2008-09-30 22318
2008-12-31 -105446
2009-03-31 7014
2009-06-30 -10633
2009-09-30 1771
2009-12-31 -9772
2010-03-31 10533
2010-06-30 -10006
2010-09-30 7015
2010-12-31 -1134
2011-03-31 14153
2011-06-30 -8234
2011-09-30 -2180
2011-12-31 -414
2012-03-31 874
2012-06-30 2237
2012-09-30 4877
2012-12-31 -13762
2013-03-31 17085
2013-06-30 -2822
2013-09-30 -9131
2013-12-31 1027
2014-03-31 1974
2014-06-30 -4578
2014-09-30 -5785
2014-12-31 -8166
2015-03-31 11120
2015-06-30 -1087
2015-09-30 5754
2015-12-31 -9429
2016-03-31 -5200
2016-06-30 12198
2016-09-30 -1555
2016-12-31 -3122
2017-03-31 6519
2017-06-30 -5418
2017-09-30 -7384
2017-12-31 -1268
2018-03-31 7569
2018-06-30 -6992
2018-09-30 7545
2018-12-31 3965
2019-03-31 6128
2019-06-30 565
2019-09-30 -6723
2019-12-31 3265
2020-03-31 552
2020-06-30 -11385
2020-09-30 -362
2020-12-31 711
2021-03-31 -10024
2021-06-30 5084
2021-09-30 -1276
2021-12-31 -1920
2022-03-31 -2113
2022-06-30 2632
2022-09-30 3824
2022-12-31 -6567
2023-03-31 22
2023-06-30 3064
2023-09-30 2062