Quarterly US dollars
1999-03-31 94
1999-06-30 -524
1999-09-30 -639
1999-12-31 -497
2000-03-31 863
2000-06-30 -224
2000-09-30 1538
2000-12-31 334
2001-03-31 -1214
2001-06-30 -1174
2001-09-30 950
2001-12-31 -130
2002-03-31 1134
2002-06-30 -542
2002-09-30 3
2002-12-31 1078
2003-03-31 -1322
2003-06-30 82
2003-09-30 4034
2003-12-31 2294
2004-03-31 5175
2004-06-30 3224
2004-09-30 -1994
2004-12-31 5997
2005-03-31 5251
2005-06-30 2735
2005-09-30 4351
2005-12-31 12586
2006-03-31 14126
2006-06-30 -6119
2006-09-30 5751
2006-12-31 439
2007-03-31 15071
2007-06-30 12209
2007-09-30 15194
2007-12-31 -431
2008-03-31 1734
2008-06-30 1078
2008-09-30 152
2008-12-31 -23550
2009-03-31 -9446
2009-06-30 5029
2009-09-30 -7900
2009-12-31 -2756
2010-03-31 2236
2010-06-30 806
2010-09-30 10059
2010-12-31 -8944
2011-03-31 11900
2011-06-30 2707
2011-09-30 -15777
2011-12-31 5382
2012-03-31 -643
2012-06-30 4977
2012-09-30 5840
2012-12-31 2814
2013-03-31 19914
2013-06-30 -8817
2013-09-30 -940
2013-12-31 -5400
2014-03-31 -8934
2014-06-30 4165
2014-09-30 -3141
2014-12-31 -10181
2015-03-31 -6250
2015-06-30 69
2015-09-30 -4256
2015-12-31 -3269
2016-03-31 -440
2016-06-30 2150
2016-09-30 -1643
2016-12-31 -7101
2017-03-31 5176
2017-06-30 -6071
2017-09-30 525
2017-12-31 2365
2018-03-31 307
2018-06-30 -5072
2018-09-30 -5474
2018-12-31 980
2019-03-31 -235
2019-06-30 -6283
2019-09-30 -1162
2019-12-31 3386
2020-03-31 -5026
2020-06-30 -4612
2020-09-30 4112
2020-12-31 -1542
2021-03-31 -4670
2021-06-30 -2926
2021-09-30 668
2021-12-31 2054
2022-03-31 1164
2022-06-30 904
2022-09-30 3724
2022-12-31 -7754
2023-03-31 -332
2023-06-30 1892
2023-09-30 578