Quarter	US dollars
2004-12-31	179
2005-03-31	144
2005-06-30	82
2005-09-30	67
2005-12-31	81
2006-03-31	66
2006-06-30	68
2006-09-30	78
2006-12-31	597
2007-03-31	651
2007-06-30	750
2007-09-30	962
2007-12-31	958
2008-03-31	996
2008-06-30	943
2008-09-30	879
2008-12-31	880
2009-03-31	827
2009-06-30	809
2009-09-30	868
2009-12-31	812
2010-03-31	830
2010-06-30	1127
2010-09-30	870
2010-12-31	1132
2011-03-31	1230
2011-06-30	1230
2011-09-30	1725
2011-12-31	1433
2012-03-31	1342
2012-06-30	1368
2012-09-30	1151
2012-12-31	1130
2013-03-31	1149
2013-06-30	1145
2013-09-30	1164
2013-12-31	1091
2014-03-31	537
2014-06-30	677
2014-09-30	702
2014-12-31	543
2015-03-31	753
2015-06-30	870
2015-09-30	835
2015-12-31	926
2016-03-31	794
2016-06-30	779
2016-09-30	770
2016-12-31	691
2017-03-31	684
2017-06-30	620
2017-09-30	625
2017-12-31	500
2018-03-31	514
2018-06-30	496
2018-09-30	407
2018-12-31	331
2019-03-31	486
2019-06-30	233
2019-09-30	285
2019-12-31	435
2020-03-31	310
2020-06-30	342
2020-09-30	288
2020-12-31	319
2021-03-31	185
2021-06-30	253
2021-09-30	247
2021-12-31	236
2022-03-31	242
2022-06-30	208
2022-09-30	213
2022-12-31	316
2023-03-31	141
2023-06-30	360
2023-09-30	284