Quarter	US dollars
2004-12-31	378
2005-03-31	459
2005-06-30	375
2005-09-30	246
2005-12-31	364
2006-03-31	286
2006-06-30	327
2006-09-30	293
2006-12-31	205
2007-03-31	206
2007-06-30	199
2007-09-30	263
2007-12-31	420
2008-03-31	648
2008-06-30	567
2008-09-30	574
2008-12-31	602
2009-03-31	496
2009-06-30	357
2009-09-30	237
2009-12-31	194
2010-03-31	59
2010-06-30	127
2010-09-30	219
2010-12-31	1597
2011-03-31	208
2011-06-30	450
2011-09-30	179
2011-12-31	244
2012-03-31	286
2012-06-30	256
2012-09-30	284
2012-12-31	149
2013-03-31	281
2013-06-30	305
2013-09-30	245
2013-12-31	800
2014-03-31	700
2014-06-30	634
2014-09-30	634
2014-12-31	626
2015-03-31	730
2015-06-30	459
2015-09-30	410
2015-12-31	394
2016-03-31	417
2016-06-30	431
2016-09-30	412
2016-12-31	485
2017-03-31	446
2017-06-30	707
2017-09-30	1053
2017-12-31	1440
2018-03-31	1423
2018-06-30	820
2018-09-30	1227
2018-12-31	937
2019-03-31	837
2019-06-30	722
2019-09-30	1318
2019-12-31	1573
2020-03-31	1456
2020-06-30	959
2020-09-30	1115
2020-12-31	1125
2021-03-31	1232
2021-06-30	1665
2021-09-30	1791
2021-12-31	2217
2022-03-31	2028
2022-06-30	2321
2022-09-30	3061
2022-12-31	2035
2023-03-31	2251
2023-06-30	2708
2023-09-30	2538