Quarter	US dollars
2004-12-31	275
2005-03-31	270
2005-06-30	367
2005-09-30	421
2005-12-31	881
2006-03-31	9028
2006-06-30	9937
2006-09-30	5113
2006-12-31	5570
2007-03-31	524
2007-06-30	2125
2007-09-30	2149
2007-12-31	1416
2008-03-31	1501
2008-06-30	2713
2008-09-30	936
2008-12-31	1757
2009-03-31	1543
2009-06-30	1510
2009-09-30	1858
2009-12-31	1314
2010-03-31	825
2010-06-30	1724
2010-09-30	1854
2010-12-31	3189
2011-03-31	3594
2011-06-30	2076
2011-09-30	2642
2011-12-31	2605
2012-03-31	3169
2012-06-30	1520
2012-09-30	1029
2012-12-31	1004
2013-03-31	899
2013-06-30	2116
2013-09-30	1127
2013-12-31	1117
2014-03-31	2486
2014-06-30	4084
2014-09-30	5196
2014-12-31	2257
2015-03-31	2043
2015-06-30	4277
2015-09-30	2664
2015-12-31	3404
2016-03-31	3218
2016-06-30	2934
2016-09-30	3740
2016-12-31	3409
2017-03-31	4427
2017-06-30	5530
2017-09-30	5943
2017-12-31	5111
2018-03-31	3887
2018-06-30	7147
2018-09-30	2283
2018-12-31	2468
2019-03-31	3654
2019-06-30	2245
2019-09-30	2606
2019-12-31	2407
2020-03-31	3504
2020-06-30	3426
2020-09-30	2963
2020-12-31	2719
2021-03-31	3132
2021-06-30	4255
2021-09-30	2933
2021-12-31	2991
2022-03-31	3194
2022-06-30	4390
2022-09-30	5298
2022-12-31	5094
2023-03-31	3921
2023-06-30	3781
2023-09-30	5752