Quarter	US dollars
2004-12-31	46
2005-03-31	60
2005-06-30	68
2005-09-30	580
2005-12-31	282
2006-03-31	441
2006-06-30	614
2006-09-30	594
2006-12-31	624
2007-03-31	428
2007-06-30	915
2007-09-30	988
2007-12-31	1623
2008-03-31	1528
2008-06-30	1526
2008-09-30	1566
2008-12-31	1133
2009-03-31	443
2009-06-30	515
2009-09-30	430
2009-12-31	544
2010-03-31	528
2010-06-30	625
2010-09-30	811
2010-12-31	628
2011-03-31	886
2011-06-30	772
2011-09-30	3251
2011-12-31	917
2012-03-31	727
2012-06-30	604
2012-09-30	334
2012-12-31	302
2013-03-31	727
2013-06-30	681
2013-09-30	570
2013-12-31	212
2014-03-31	228
2014-06-30	274
2014-09-30	159
2014-12-31	131
2015-03-31	224
2015-06-30	181
2015-09-30	164
2015-12-31	153
2016-03-31	331
2016-06-30	396
2016-09-30	260
2016-12-31	292
2017-03-31	263
2017-06-30	294
2017-09-30	221
2017-12-31	544
2018-03-31	1169
2018-06-30	959
2018-09-30	1095
2018-12-31	873
2019-03-31	697
2019-06-30	213
2019-09-30	275
2019-12-31	369
2020-03-31	413
2020-06-30	341
2020-09-30	256
2020-12-31	281
2021-03-31	272
2021-06-30	184
2021-09-30	239
2021-12-31	191
2022-03-31	157
2022-06-30	236
2022-09-30	907
2022-12-31	557
2023-03-31	1138
2023-06-30	724
2023-09-30	564