Quarter	US dollars
2004-12-31	555
2005-03-31	1541
2005-06-30	575
2005-09-30	1624
2005-12-31	592
2006-03-31	1492
2006-06-30	729
2006-09-30	1859
2006-12-31	661
2007-03-31	2040
2007-06-30	1015
2007-09-30	2830
2007-12-31	468
2008-03-31	1417
2008-06-30	635
2008-09-30	1764
2008-12-31	418
2009-03-31	519
2009-06-30	662
2009-09-30	699
2009-12-31	1455
2010-03-31	1869
2010-06-30	1950
2010-09-30	2719
2010-12-31	4233
2011-03-31	3788
2011-06-30	4056
2011-09-30	3133
2011-12-31	3418
2012-03-31	2316
2012-06-30	2216
2012-09-30	1854
2012-12-31	2120
2013-03-31	2098
2013-06-30	2210
2013-09-30	1950
2013-12-31	1436
2014-03-31	1847
2014-06-30	1590
2014-09-30	1989
2014-12-31	1700
2015-03-31	1396
2015-06-30	1604
2015-09-30	1257
2015-12-31	1952
2016-03-31	1642
2016-06-30	1923
2016-09-30	2355
2016-12-31	1208
2017-03-31	2141
2017-06-30	1938
2017-09-30	1422
2017-12-31	913
2018-03-31	1979
2018-06-30	2412
2018-09-30	2294
2018-12-31	1313
2019-03-31	857
2019-06-30	1980
2019-09-30	1161
2019-12-31	865
2020-03-31	1202
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