Quarterly US dollars
1999-03-31 -6186
1999-06-30 2087
1999-09-30 -3768
1999-12-31 -2385
2000-03-31 5005
2000-06-30 4702
2000-09-30 -3092
2000-12-31 -1057
2001-03-31 7424
2001-06-30 2616
2001-09-30 -5078
2001-12-31 -3981
2002-03-31 -2499
2002-06-30 -3400
2002-09-30 -5943
2002-12-31 -4349
2003-03-31 -2891
2003-06-30 2926
2003-09-30 -4493
2003-12-31 -1371
2004-03-31 -932
2004-06-30 1628
2004-09-30 -4778
2004-12-31 3685
2005-03-31 -491
2005-06-30 -2905
2005-09-30 1149
2005-12-31 5416
2006-03-31 -1604
2006-06-30 2635
2006-09-30 4476
2006-12-31 1207
2007-03-31 5642
2007-06-30 -1941
2007-09-30 -4036
2007-12-31 -9361
2008-03-31 10497
2008-06-30 3778
2008-09-30 1938
2008-12-31 -22
2009-03-31 -6705
2009-06-30 -3397
2009-09-30 -14291
2009-12-31 7124
2010-03-31 6244
2010-06-30 288
2010-09-30 -4563
2010-12-31 3822
2011-03-31 -4937
2011-06-30 -5143
2011-09-30 -9572
2011-12-31 -6305
2012-03-31 7902
2012-06-30 -9865
2012-09-30 -1463
2012-12-31 4541
2013-03-31 -2794
2013-06-30 -5702
2013-09-30 903
2013-12-31 -4401
2014-03-31 263
2014-06-30 -389
2014-09-30 -3029
2014-12-31 -2727
2015-03-31 -1890
2015-06-30 -554
2015-09-30 -1479
2015-12-31 1161
2016-03-31 -184
2016-06-30 881
2016-09-30 -1840
2016-12-31 2065
2017-03-31 4384
2017-06-30 -1467
2017-09-30 724
2017-12-31 777
2018-03-31 -3190
2018-06-30 -82
2018-09-30 -5088
2018-12-31 -1754
2019-03-31 1408
2019-06-30 1815
2019-09-30 948
2019-12-31 1842
2020-03-31 366
2020-06-30 -1195
2020-09-30 -3405
2020-12-31 -3657
2021-03-31 -1143
2021-06-30 -1928
2021-09-30 -2499
2021-12-31 -507
2022-03-31 -427
2022-06-30 -1763
2022-09-30 -2543
2022-12-31 -3420
2023-03-31 110
2023-06-30 -71
2023-09-30 -36