Quarter	US dollars
2004-12-31	676
2005-03-31	830
2005-06-30	735
2005-09-30	566
2005-12-31	585
2006-03-31	781
2006-06-30	856
2006-09-30	772
2006-12-31	798
2007-03-31	845
2007-06-30	967
2007-09-30	1239
2007-12-31	1641
2008-03-31	1411
2008-06-30	993
2008-09-30	1344
2008-12-31	1058
2009-03-31	917
2009-06-30	940
2009-09-30	1076
2009-12-31	1032
2010-03-31	866
2010-06-30	1938
2010-09-30	1834
2010-12-31	1980
2011-03-31	1101
2011-06-30	271
2011-09-30	357
2011-12-31	269
2012-03-31	267
2012-06-30	328
2012-09-30	402
2012-12-31	407
2013-03-31	337
2013-06-30	235
2013-09-30	280
2013-12-31	256
2014-03-31	195
2014-06-30	212
2014-09-30	266
2014-12-31	211
2015-03-31	306
2015-06-30	226
2015-09-30	215
2015-12-31	95
2016-03-31	407
2016-06-30	293
2016-09-30	453
2016-12-31	529
2017-03-31	655
2017-06-30	642
2017-09-30	710
2017-12-31	1140
2018-03-31	950
2018-06-30	896
2018-09-30	1172
2018-12-31	1064
2019-03-31	939
2019-06-30	925
2019-09-30	819
2019-12-31	822
2020-03-31	892
2020-06-30	633
2020-09-30	640
2020-12-31	760
2021-03-31	847
2021-06-30	721
2021-09-30	615
2021-12-31	779
2022-03-31	1382
2022-06-30	617
2022-09-30	582
2022-12-31	465
2023-03-31	450
2023-06-30	931
2023-09-30	597