Quarter	US dollars
2004-12-31	232
2005-03-31	151
2005-06-30	204
2005-09-30	274
2005-12-31	360
2006-03-31	224
2006-06-30	427
2006-09-30	209
2006-12-31	166
2007-03-31	188
2007-06-30	271
2007-09-30	391
2007-12-31	462
2008-03-31	777
2008-06-30	641
2008-09-30	725
2008-12-31	899
2009-03-31	672
2009-06-30	487
2009-09-30	537
2009-12-31	454
2010-03-31	437
2010-06-30	658
2010-09-30	753
2010-12-31	1068
2011-03-31	555
2011-06-30	877
2011-09-30	991
2011-12-31	806
2012-03-31	567
2012-06-30	656
2012-09-30	442
2012-12-31	492
2013-03-31	577
2013-06-30	596
2013-09-30	725
2013-12-31	1212
2014-03-31	964
2014-06-30	1274
2014-09-30	1273
2014-12-31	1160
2015-03-31	1583
2015-06-30	1373
2015-09-30	1436
2015-12-31	1460
2016-03-31	1764
2016-06-30	1673
2016-09-30	1611
2016-12-31	1337
2017-03-31	1390
2017-06-30	1594
2017-09-30	1491
2017-12-31	1573
2018-03-31	1716
2018-06-30	618
2018-09-30	1182
2018-12-31	1083
2019-03-31	1081
2019-06-30	1208
2019-09-30	1768
2019-12-31	1704
2020-03-31	2665
2020-06-30	2463
2020-09-30	2549
2020-12-31	2595
2021-03-31	1319
2021-06-30	1217
2021-09-30	1210
2021-12-31	1265
2022-03-31	1153
2022-06-30	1636
2022-09-30	1993
2022-12-31	1584
2023-03-31	1504
2023-06-30	1195
2023-09-30	1064