Quarter	US dollars
2004-12-31	947
2005-03-31	936
2005-06-30	991
2005-09-30	232
2005-12-31	889
2006-03-31	671
2006-06-30	756
2006-09-30	779
2006-12-31	961
2007-03-31	1104
2007-06-30	1029
2007-09-30	1200
2007-12-31	1139
2008-03-31	1634
2008-06-30	1294
2008-09-30	415
2008-12-31	674
2009-03-31	645
2009-06-30	749
2009-09-30	716
2009-12-31	882
2010-03-31	1007
2010-06-30	1432
2010-09-30	1437
2010-12-31	1304
2011-03-31	1457
2011-06-30	1366
2011-09-30	913
2011-12-31	857
2012-03-31	726
2012-06-30	761
2012-09-30	785
2012-12-31	627
2013-03-31	568
2013-06-30	544
2013-09-30	615
2013-12-31	673
2014-03-31	680
2014-06-30	335
2014-09-30	438
2014-12-31	523
2015-03-31	460
2015-06-30	1181
2015-09-30	1203
2015-12-31	1187
2016-03-31	1178
2016-06-30	577
2016-09-30	547
2016-12-31	395
2017-03-31	374
2017-06-30	516
2017-09-30	581
2017-12-31	566
2018-03-31	560
2018-06-30	504
2018-09-30	867
2018-12-31	1069
2019-03-31	427
2019-06-30	560
2019-09-30	410
2019-12-31	355
2020-03-31	487
2020-06-30	505
2020-09-30	199
2020-12-31	156
2021-03-31	153
2021-06-30	155
2021-09-30	271
2021-12-31	264
2022-03-31	-583
2022-06-30	227
2022-09-30	230
2022-12-31	263
2023-03-31	239
2023-06-30	230
2023-09-30	227