Quarter	US dollars
2004-12-31	632
2005-03-31	552
2005-06-30	507
2005-09-30	810
2005-12-31	833
2006-03-31	387
2006-06-30	401
2006-09-30	1218
2006-12-31	1098
2007-03-31	983
2007-06-30	1031
2007-09-30	766
2007-12-31	679
2008-03-31	551
2008-06-30	1224
2008-09-30	1110
2008-12-31	595
2009-03-31	575
2009-06-30	721
2009-09-30	716
2009-12-31	229
2010-03-31	367
2010-06-30	389
2010-09-30	413
2010-12-31	385
2011-03-31	699
2011-06-30	944
2011-09-30	833
2011-12-31	1211
2012-03-31	994
2012-06-30	927
2012-09-30	1024
2012-12-31	1704
2013-03-31	1690
2013-06-30	1391
2013-09-30	3040
2013-12-31	2773
2014-03-31	2419
2014-06-30	4014
2014-09-30	3414
2014-12-31	2285
2015-03-31	2315
2015-06-30	3563
2015-09-30	3037
2015-12-31	1879
2016-03-31	2351
2016-06-30	1820
2016-09-30	1137
2016-12-31	1042
2017-03-31	446
2017-06-30	638
2017-09-30	1052
2017-12-31	1077
2018-03-31	813
2018-06-30	1497
2018-09-30	900
2018-12-31	950
2019-03-31	1393
2019-06-30	1246
2019-09-30	630
2019-12-31	523
2020-03-31	1483
2020-06-30	1293
2020-09-30	872
2020-12-31	296
2021-03-31	1093
2021-06-30	840
2021-09-30	616
2021-12-31	663
2022-03-31	1081
2022-06-30	460
2022-09-30	1095
2022-12-31	943
2023-03-31	1089
2023-06-30	1652
2023-09-30	2304