Quarter	US dollars
2004-12-31	194
2005-03-31	155
2005-06-30	186
2005-09-30	230
2005-12-31	321
2006-03-31	163
2006-06-30	268
2006-09-30	318
2006-12-31	460
2007-03-31	408
2007-06-30	435
2007-09-30	501
2007-12-31	526
2008-03-31	845
2008-06-30	890
2008-09-30	2472
2008-12-31	2057
2009-03-31	850
2009-06-30	692
2009-09-30	760
2009-12-31	893
2010-03-31	1080
2010-06-30	1013
2010-09-30	873
2010-12-31	888
2011-03-31	976
2011-06-30	1048
2011-09-30	1366
2011-12-31	821
2012-03-31	805
2012-06-30	1231
2012-09-30	1106
2012-12-31	1588
2013-03-31	2027
2013-06-30	1649
2013-09-30	1334
2013-12-31	1147
2014-03-31	1321
2014-06-30	2048
2014-09-30	2133
2014-12-31	2301
2015-03-31	1874
2015-06-30	1784
2015-09-30	2355
2015-12-31	2635
2016-03-31	2298
2016-06-30	2040
2016-09-30	1625
2016-12-31	1399
2017-03-31	1402
2017-06-30	2728
2017-09-30	3294
2017-12-31	2748
2018-03-31	2804
2018-06-30	3722
2018-09-30	2943
2018-12-31	3257
2019-03-31	3757
2019-06-30	5206
2019-09-30	4691
2019-12-31	3885
2020-03-31	4370
2020-06-30	5374
2020-09-30	3875
2020-12-31	2821
2021-03-31	2552
2021-06-30	3398
2021-09-30	3452
2021-12-31	3287
2022-03-31	3026
2022-06-30	3786
2022-09-30	3622
2022-12-31	2272
2023-03-31	1849
2023-06-30	1684
2023-09-30	1241