Quarter	US dollars
2004-12-31	115
2005-03-31	43
2005-06-30	48
2005-09-30	37
2005-12-31	46
2006-03-31	78
2006-06-30	70
2006-09-30	88
2006-12-31	121
2007-03-31	94
2007-06-30	183
2007-09-30	100
2007-12-31	100
2008-03-31	131
2008-06-30	113
2008-09-30	107
2008-12-31	158
2009-03-31	63
2009-06-30	86
2009-09-30	317
2009-12-31	342
2010-03-31	599
2010-06-30	82
2010-09-30	1257
2010-12-31	1613
2011-03-31	1958
2011-06-30	2263
2011-09-30	2700
2011-12-31	2259
2012-03-31	2557
2012-06-30	2387
2012-09-30	2374
2012-12-31	2558
2013-03-31	5934
2013-06-30	5939
2013-09-30	5640
2013-12-31	4408
2014-03-31	4573
2014-06-30	4505
2014-09-30	4160
2014-12-31	3460
2015-03-31	3697
2015-06-30	2861
2015-09-30	2767
2015-12-31	2549
2016-03-31	2815
2016-06-30	2641
2016-09-30	2401
2016-12-31	2270
2017-03-31	2289
2017-06-30	2120
2017-09-30	1978
2017-12-31	1864
2018-03-31	1761
2018-06-30	1722
2018-09-30	1111
2018-12-31	1540
2019-03-31	1472
2019-06-30	1543
2019-09-30	1607
2019-12-31	1639
2020-03-31	1610
2020-06-30	1558
2020-09-30	1467
2020-12-31	1241
2021-03-31	1312
2021-06-30	1175
2021-09-30	1168
2021-12-31	1128
2022-03-31	1393
2022-06-30	1195
2022-09-30	1413
2022-12-31	1189
2023-03-31	1212
2023-06-30	958
2023-09-30	1036