Quarter	US dollars
2004-12-31	2066
2005-03-31	2044
2005-06-30	2330
2005-09-30	2299
2005-12-31	2460
2006-03-31	2336
2006-06-30	2425
2006-09-30	2317
2006-12-31	2638
2007-03-31	2620
2007-06-30	5437
2007-09-30	2522
2007-12-31	2710
2008-03-31	2781
2008-06-30	2814
2008-09-30	2662
2008-12-31	3092
2009-03-31	2975
2009-06-30	2380
2009-09-30	2100
2009-12-31	2283
2010-03-31	2465
2010-06-30	2183
2010-09-30	766
2010-12-31	542
2011-03-31	628
2011-06-30	650
2011-09-30	441
2011-12-31	271
2012-03-31	208
2012-06-30	223
2012-09-30	310
2012-12-31	317
2013-03-31	276
2013-06-30	247
2013-09-30	144
2013-12-31	774
2014-03-31	760
2014-06-30	865
2014-09-30	764
2014-12-31	754
2015-03-31	107
2015-06-30	149
2015-09-30	130
2015-12-31	90
2016-03-31	177
2016-06-30	133
2016-09-30	246
2016-12-31	162
2017-03-31	159
2017-06-30	327
2017-09-30	296
2017-12-31	313
2018-03-31	547
2018-06-30	246
2018-09-30	175
2018-12-31	294
2019-03-31	214
2019-06-30	298
2019-09-30	453
2019-12-31	501
2020-03-31	598
2020-06-30	725
2020-09-30	859
2020-12-31	818
2021-03-31	840
2021-06-30	898
2021-09-30	805
2021-12-31	730
2022-03-31	909
2022-06-30	548
2022-09-30	349
2022-12-31	606
2023-03-31	859
2023-06-30	343
2023-09-30	421