Quarter	US dollars
2004-12-31	94
2005-03-31	113
2005-06-30	213
2005-09-30	409
2005-12-31	266
2006-03-31	487
2006-06-30	359
2006-09-30	303
2006-12-31	249
2007-03-31	359
2007-06-30	307
2007-09-30	371
2007-12-31	432
2008-03-31	618
2008-06-30	669
2008-09-30	702
2008-12-31	1189
2009-03-31	1085
2009-06-30	1036
2009-09-30	621
2009-12-31	922
2010-03-31	910
2010-06-30	956
2010-09-30	1350
2010-12-31	1362
2011-03-31	1460
2011-06-30	1729
2011-09-30	1056
2011-12-31	586
2012-03-31	620
2012-06-30	612
2012-09-30	518
2012-12-31	482
2013-03-31	955
2013-06-30	1952
2013-09-30	2486
2013-12-31	3499
2014-03-31	1749
2014-06-30	1010
2014-09-30	786
2014-12-31	1019
2015-03-31	732
2015-06-30	755
2015-09-30	676
2015-12-31	1135
2016-03-31	1395
2016-06-30	2372
2016-09-30	1846
2016-12-31	1261
2017-03-31	1603
2017-06-30	1596
2017-09-30	1122
2017-12-31	735
2018-03-31	782
2018-06-30	846
2018-09-30	679
2018-12-31	954
2019-03-31	1019
2019-06-30	882
2019-09-30	1562
2019-12-31	1218
2020-03-31	1369
2020-06-30	941
2020-09-30	1033
2020-12-31	1511
2021-03-31	1537
2021-06-30	984
2021-09-30	957
2021-12-31	1038
2022-03-31	1344
2022-06-30	988
2022-09-30	899
2022-12-31	754
2023-03-31	631
2023-06-30	831
2023-09-30	850