Quarter	US dollars
2004-12-31	488
2005-03-31	463
2005-06-30	167
2005-09-30	187
2005-12-31	172
2006-03-31	248
2006-06-30	270
2006-09-30	458
2006-12-31	434
2007-03-31	1573
2007-06-30	325
2007-09-30	210
2007-12-31	171
2008-03-31	167
2008-06-30	324
2008-09-30	230
2008-12-31	177
2009-03-31	173
2009-06-30	227
2009-09-30	318
2009-12-31	150
2010-03-31	493
2010-06-30	664
2010-09-30	827
2010-12-31	567
2011-03-31	712
2011-06-30	898
2011-09-30	388
2011-12-31	519
2012-03-31	350
2012-06-30	1220
2012-09-30	1473
2012-12-31	1576
2013-03-31	1277
2013-06-30	1065
2013-09-30	1087
2013-12-31	269
2014-03-31	140
2014-06-30	145
2014-09-30	107
2014-12-31	109
2015-03-31	322
2015-06-30	269
2015-09-30	380
2015-12-31	1492
2016-03-31	1584
2016-06-30	1320
2016-09-30	1329
2016-12-31	1259
2017-03-31	1420
2017-06-30	1360
2017-09-30	1876
2017-12-31	1205
2018-03-31	1231
2018-06-30	1256
2018-09-30	1448
2018-12-31	1052
2019-03-31	1356
2019-06-30	508
2019-09-30	1599
2019-12-31	1746
2020-03-31	1988
2020-06-30	2405
2020-09-30	2147
2020-12-31	1761
2021-03-31	1442
2021-06-30	1519
2021-09-30	1599
2021-12-31	1686
2022-03-31	1639
2022-06-30	1292
2022-09-30	1714
2022-12-31	2024
2023-03-31	1750
2023-06-30	1559
2023-09-30	1431