Quarter	US dollars
2004-12-31	332
2005-03-31	1478
2005-06-30	518
2005-09-30	1572
2005-12-31	414
2006-03-31	1245
2006-06-30	479
2006-09-30	1614
2006-12-31	346
2007-03-31	1740
2007-06-30	750
2007-09-30	2598
2007-12-31	235
2008-03-31	1171
2008-06-30	406
2008-09-30	1561
2008-12-31	185
2009-03-31	287
2009-06-30	319
2009-09-30	390
2009-12-31	1206
2010-03-31	1729
2010-06-30	1813
2010-09-30	2666
2010-12-31	4180
2011-03-31	3729
2011-06-30	3982
2011-09-30	3080
2011-12-31	3369
2012-03-31	2316
2012-06-30	2168
2012-09-30	1805
2012-12-31	2070
2013-03-31	2036
2013-06-30	2161
2013-09-30	1890
2013-12-31	1416
2014-03-31	1811
2014-06-30	1611
2014-09-30	1988
2014-12-31	1734
2015-03-31	1485
2015-06-30	1590
2015-09-30	1254
2015-12-31	1949
2016-03-31	1639
2016-06-30	1920
2016-09-30	2355
2016-12-31	1208
2017-03-31	2141
2017-06-30	1938
2017-09-30	1422
2017-12-31	911
2018-03-31	1979
2018-06-30	2387
2018-09-30	2285
2018-12-31	1300
2019-03-31	848
2019-06-30	1950
2019-09-30	1161
2019-12-31	861
2020-03-31	1198
2020-06-30	2169
2020-09-30	1414
2020-12-31	5675
2021-03-31	3470
2021-06-30	2211
2021-09-30	2709
2021-12-31	8722
2022-03-31	4424
2022-06-30	4043
2022-09-30	7442
2022-12-31	3655
2023-03-31	6783
2023-06-30	6650
2023-09-30	4441