Quarter	US dollars
2004-12-31	824
2005-03-31	851
2005-06-30	798
2005-09-30	881
2005-12-31	1147
2006-03-31	1310
2006-06-30	1217
2006-09-30	1302
2006-12-31	1029
2007-03-31	1071
2007-06-30	1782
2007-09-30	1638
2007-12-31	1758
2008-03-31	1049
2008-06-30	886
2008-09-30	763
2008-12-31	643
2009-03-31	580
2009-06-30	499
2009-09-30	464
2009-12-31	480
2010-03-31	447
2010-06-30	305
2010-09-30	318
2010-12-31	326
2011-03-31	247
2011-06-30	329
2011-09-30	508
2011-12-31	656
2012-03-31	751
2012-06-30	748
2012-09-30	967
2012-12-31	1009
2013-03-31	1093
2013-06-30	807
2013-09-30	934
2013-12-31	707
2014-03-31	812
2014-06-30	696
2014-09-30	853
2014-12-31	768
2015-03-31	711
2015-06-30	661
2015-09-30	486
2015-12-31	442
2016-03-31	421
2016-06-30	434
2016-09-30	322
2016-12-31	257
2017-03-31	286
2017-06-30	229
2017-09-30	294
2017-12-31	216
2018-03-31	229
2018-06-30	333
2018-09-30	233
2018-12-31	705
2019-03-31	194
2019-06-30	121
2019-09-30	180
2019-12-31	217
2020-03-31	193
2020-06-30	192
2020-09-30	162
2020-12-31	106
2021-03-31	174
2021-06-30	247
2021-09-30	159
2021-12-31	314
2022-03-31	311
2022-06-30	286
2022-09-30	259
2022-12-31	87
2023-03-31	193
2023-06-30	193
2023-09-30	275