Quarter	US dollars
2004-12-31	194
2005-03-31	144
2005-06-30	125
2005-09-30	115
2005-12-31	134
2006-03-31	123
2006-06-30	205
2006-09-30	151
2006-12-31	121
2007-03-31	124
2007-06-30	237
2007-09-30	137
2007-12-31	524
2008-03-31	622
2008-06-30	346
2008-09-30	841
2008-12-31	1829
2009-03-31	-3835
2009-06-30	-3542
2009-09-30	-2724
2009-12-31	-2377
2010-03-31	-2386
2010-06-30	-2361
2010-09-30	-2751
2010-12-31	-1245
2011-03-31	-752
2011-06-30	-796
2011-09-30	-1721
2011-12-31	-1928
2012-03-31	-2434
2012-06-30	-2646
2012-09-30	-2306
2012-12-31	-2513
2013-03-31	-1887
2013-06-30	-1432
2013-09-30	-1428
2013-12-31	-1428
2014-03-31	262
2014-06-30	713
2014-09-30	1200
2014-12-31	954
2015-03-31	1706
2015-06-30	1260
2015-09-30	1081
2015-12-31	1028
2016-03-31	1042
2016-06-30	1111
2016-09-30	759
2016-12-31	694
2017-03-31	605
2017-06-30	440
2017-09-30	239
2017-12-31	-353
2018-03-31	-425
2018-06-30	-305
2018-09-30	-296
2018-12-31	-411
2019-03-31	332
2019-06-30	-578
2019-09-30	-674
2019-12-31	-580
2020-03-31	-599
2020-06-30	-546
2020-09-30	-788
2020-12-31	-164
2021-03-31	11
2021-06-30	-28
2021-09-30	-112
2021-12-31	-108
2022-03-31	-79
2022-06-30	-114
2022-09-30	-143
2022-12-31	-2
2023-03-31	-43
2023-06-30	-52
2023-09-30	-44