Quarter	US dollars
2004-12-31	351
2005-03-31	352
2005-06-30	360
2005-09-30	410
2005-12-31	306
2006-03-31	421
2006-06-30	490
2006-09-30	463
2006-12-31	440
2007-03-31	416
2007-06-30	644
2007-09-30	856
2007-12-31	960
2008-03-31	988
2008-06-30	517
2008-09-30	283
2008-12-31	220
2009-03-31	420
2009-06-30	468
2009-09-30	373
2009-12-31	463
2010-03-31	628
2010-06-30	2511
2010-09-30	889
2010-12-31	1063
2011-03-31	1077
2011-06-30	1015
2011-09-30	569
2011-12-31	911
2012-03-31	833
2012-06-30	1158
2012-09-30	2230
2012-12-31	2011
2013-03-31	1781
2013-06-30	2132
2013-09-30	2910
2013-12-31	1711
2014-03-31	1839
2014-06-30	1840
2014-09-30	1876
2014-12-31	1622
2015-03-31	2007
2015-06-30	1771
2015-09-30	1454
2015-12-31	1771
2016-03-31	1819
2016-06-30	1790
2016-09-30	2027
2016-12-31	1511
2017-03-31	1698
2017-06-30	1603
2017-09-30	1583
2017-12-31	1863
2018-03-31	1806
2018-06-30	1620
2018-09-30	1974
2018-12-31	2870
2019-03-31	2919
2019-06-30	3017
2019-09-30	2964
2019-12-31	3400
2020-03-31	5805
2020-06-30	3360
2020-09-30	2674
2020-12-31	3500
2021-03-31	3161
2021-06-30	2710
2021-09-30	2438
2021-12-31	2327
2022-03-31	2166
2022-06-30	1354
2022-09-30	1520
2022-12-31	2157
2023-03-31	2745
2023-06-30	2997
2023-09-30	3052