Quarter	US dollars
2004-12-31	146
2005-03-31	42
2005-06-30	41
2005-09-30	34
2005-12-31	84
2006-03-31	217
2006-06-30	388
2006-09-30	387
2006-12-31	472
2007-03-31	545
2007-06-30	843
2007-09-30	880
2007-12-31	966
2008-03-31	1041
2008-06-30	1069
2008-09-30	772
2008-12-31	899
2009-03-31	979
2009-06-30	1008
2009-09-30	275
2009-12-31	522
2010-03-31	625
2010-06-30	382
2010-09-30	1292
2010-12-31	1680
2011-03-31	1998
2011-06-30	2287
2011-09-30	2793
2011-12-31	2389
2012-03-31	2696
2012-06-30	2536
2012-09-30	2466
2012-12-31	2650
2013-03-31	5998
2013-06-30	5977
2013-09-30	5668
2013-12-31	4398
2014-03-31	4563
2014-06-30	4495
2014-09-30	4160
2014-12-31	3612
2015-03-31	3698
2015-06-30	2863
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