Quarter	US dollars
2004-12-31	136
2005-03-31	431
2005-06-30	455
2005-09-30	407
2005-12-31	494
2006-03-31	649
2006-06-30	534
2006-09-30	491
2006-12-31	436
2007-03-31	492
2007-06-30	710
2007-09-30	489
2007-12-31	534
2008-03-31	688
2008-06-30	1142
2008-09-30	387
2008-12-31	292
2009-03-31	315
2009-06-30	1065
2009-09-30	1215
2009-12-31	856
2010-03-31	892
2010-06-30	411
2010-09-30	501
2010-12-31	416
2011-03-31	346
2011-06-30	381
2011-09-30	310
2011-12-31	396
2012-03-31	272
2012-06-30	207
2012-09-30	192
2012-12-31	158
2013-03-31	141
2013-06-30	531
2013-09-30	259
2013-12-31	202
2014-03-31	88
2014-06-30	68
2014-09-30	31
2014-12-31	61
2015-03-31	56
2015-06-30	36
2015-09-30	94
2015-12-31	107
2016-03-31	259
2016-06-30	97
2016-09-30	73
2016-12-31	69
2017-03-31	88
2017-06-30	217
2017-09-30	416
2017-12-31	289
2018-03-31	258
2018-06-30	228
2018-09-30	290
2018-12-31	301
2019-03-31	263
2019-06-30	361
2019-09-30	283
2019-12-31	281
2020-03-31	334
2020-06-30	463
2020-09-30	311
2020-12-31	284
2021-03-31	279
2021-06-30	274
2021-09-30	259
2021-12-31	278
2022-03-31	261
2022-06-30	228
2022-09-30	165
2022-12-31	193
2023-03-31	274
2023-06-30	168
2023-09-30	140