Quarter	US dollars
2004-12-31	634
2005-03-31	698
2005-06-30	500
2005-09-30	472
2005-12-31	489
2006-03-31	508
2006-06-30	797
2006-09-30	1321
2006-12-31	548
2007-03-31	732
2007-06-30	564
2007-09-30	715
2007-12-31	733
2008-03-31	479
2008-06-30	488
2008-09-30	380
2008-12-31	404
2009-03-31	338
2009-06-30	413
2009-09-30	413
2009-12-31	442
2010-03-31	544
2010-06-30	679
2010-09-30	785
2010-12-31	795
2011-03-31	1448
2011-06-30	1729
2011-09-30	1767
2011-12-31	1695
2012-03-31	1652
2012-06-30	1890
2012-09-30	2022
2012-12-31	2249
2013-03-31	2267
2013-06-30	3064
2013-09-30	2878
2013-12-31	1909
2014-03-31	1180
2014-06-30	2216
2014-09-30	1138
2014-12-31	1567
2015-03-31	1010
2015-06-30	632
2015-09-30	477
2015-12-31	575
2016-03-31	477
2016-06-30	407
2016-09-30	238
2016-12-31	139
2017-03-31	140
2017-06-30	422
2017-09-30	339
2017-12-31	193
2018-03-31	253
2018-06-30	253
2018-09-30	211
2018-12-31	133
2019-03-31	151
2019-06-30	241
2019-09-30	191
2019-12-31	178
2020-03-31	155
2020-06-30	376
2020-09-30	301
2020-12-31	138
2021-03-31	206
2021-06-30	65
2021-09-30	102
2021-12-31	98
2022-03-31	140
2022-06-30	168
2022-09-30	174
2022-12-31	239
2023-03-31	327
2023-06-30	633
2023-09-30	519