Quarter	US dollars
2004-12-31	683
2005-03-31	459
2005-06-30	620
2005-09-30	769
2005-12-31	573
2006-03-31	534
2006-06-30	592
2006-09-30	706
2006-12-31	517
2007-03-31	2650
2007-06-30	2504
2007-09-30	807
2007-12-31	944
2008-03-31	1803
2008-06-30	1431
2008-09-30	1618
2008-12-31	2414
2009-03-31	1849
2009-06-30	1578
2009-09-30	1494
2009-12-31	1147
2010-03-31	1127
2010-06-30	1860
2010-09-30	2288
2010-12-31	1821
2011-03-31	862
2011-06-30	899
2011-09-30	1478
2011-12-31	734
2012-03-31	679
2012-06-30	596
2012-09-30	518
2012-12-31	411
2013-03-31	1479
2013-06-30	984
2013-09-30	732
2013-12-31	987
2014-03-31	1364
2014-06-30	843
2014-09-30	1051
2014-12-31	1665
2015-03-31	1032
2015-06-30	728
2015-09-30	1721
2015-12-31	1458
2016-03-31	1087
2016-06-30	865
2016-09-30	704
2016-12-31	1160
2017-03-31	837
2017-06-30	525
2017-09-30	432
2017-12-31	330
2018-03-31	386
2018-06-30	1141
2018-09-30	625
2018-12-31	412
2019-03-31	430
2019-06-30	485
2019-09-30	429
2019-12-31	361
2020-03-31	685
2020-06-30	425
2020-09-30	419
2020-12-31	650
2021-03-31	440
2021-06-30	361
2021-09-30	286
2021-12-31	224
2022-03-31	867
2022-06-30	1211
2022-09-30	2083
2022-12-31	880
2023-03-31	533
2023-06-30	1206
2023-09-30	1567