Quarter	US dollars
2004-12-31	576
2005-03-31	1055
2005-06-30	376
2005-09-30	575
2005-12-31	548
2006-03-31	404
2006-06-30	623
2006-09-30	275
2006-12-31	360
2007-03-31	533
2007-06-30	347
2007-09-30	269
2007-12-31	209
2008-03-31	938
2008-06-30	585
2008-09-30	693
2008-12-31	1708
2009-03-31	1098
2009-06-30	1283
2009-09-30	1254
2009-12-31	525
2010-03-31	965
2010-06-30	1122
2010-09-30	2582
2010-12-31	1951
2011-03-31	2257
2011-06-30	2010
2011-09-30	2273
2011-12-31	2259
2012-03-31	2225
2012-06-30	2055
2012-09-30	2728
2012-12-31	2294
2013-03-31	2013
2013-06-30	2700
2013-09-30	2006
2013-12-31	2922
2014-03-31	2246
2014-06-30	2525
2014-09-30	2498
2014-12-31	2575
2015-03-31	1991
2015-06-30	2913
2015-09-30	2848
2015-12-31	2673
2016-03-31	3169
2016-06-30	1629
2016-09-30	1091
2016-12-31	1170
2017-03-31	1605
2017-06-30	2094
2017-09-30	1826
2017-12-31	2467
2018-03-31	2394
2018-06-30	1830
2018-09-30	1639
2018-12-31	2771
2019-03-31	4545
2019-06-30	4417
2019-09-30	3940
2019-12-31	3091
2020-03-31	2657
2020-06-30	3011
2020-09-30	3775
2020-12-31	2727
2021-03-31	2563
2021-06-30	2606
2021-09-30	2573
2021-12-31	5066
2022-03-31	3625
2022-06-30	4578
2022-09-30	3299
2022-12-31	3332
2023-03-31	4071
2023-06-30	2596
2023-09-30	3638