Quarter	US dollars
2004-12-31	86712
2005-03-31	101191
2005-06-30	242742
2005-09-30	306407
2005-12-31	307227
2006-03-31	382256
2006-06-30	469152
2006-09-30	536536
2006-12-31	586118
2007-03-31	658216
2007-06-30	734758
2007-09-30	851275
2007-12-31	923905
2008-03-31	1059838
2008-06-30	1004849
2008-09-30	890344
2008-12-31	743637
2009-03-31	711503
2009-06-30	654188
2009-09-30	536071
2009-12-31	473601
2010-03-31	451940
2010-06-30	454095
2010-09-30	562904
2010-12-31	832193
2011-03-31	825095
2011-06-30	847476
2011-09-30	969059
2011-12-31	922379
2012-03-31	806553
2012-06-30	791964
2012-09-30	797714
2012-12-31	923977
2013-03-31	2031509
2013-06-30	1975693
2013-09-30	1851398
2013-12-31	1644103
2014-03-31	1531377
2014-06-30	1404329
2014-09-30	1327516
2014-12-31	1139907
2015-03-31	1096243
2015-06-30	1044480
2015-09-30	1003057
2015-12-31	885714
2016-03-31	923925
2016-06-30	843659
2016-09-30	817543
2016-12-31	730251
2017-03-31	732851
2017-06-30	675097
2017-09-30	661146
2017-12-31	599510
2018-03-31	648374
2018-06-30	578375
2018-09-30	592840
2018-12-31	572410
2019-03-31	609933
2019-06-30	726771
2019-09-30	758003
2019-12-31	827731
2020-03-31	816729
2020-06-30	750233
2020-09-30	757271
2020-12-31	721998
2021-03-31	807096
2021-06-30	804913
2021-09-30	890137
2021-12-31	1009181
2022-03-31	1213122
2022-06-30	1134605
2022-09-30	1211338
2022-12-31	1167130
2023-03-31	1178285
2023-06-30	1084119
2023-09-30	1070245