Quarter	US dollars
2004-12-31	83
2005-03-31	125
2005-06-30	158
2005-09-30	164
2005-12-31	156
2006-03-31	173
2006-06-30	178
2006-09-30	329
2006-12-31	374
2007-03-31	324
2007-06-30	241
2007-09-30	369
2007-12-31	323
2008-03-31	362
2008-06-30	386
2008-09-30	481
2008-12-31	299
2009-03-31	311
2009-06-30	180
2009-09-30	221
2009-12-31	289
2010-03-31	268
2010-06-30	395
2010-09-30	388
2010-12-31	523
2011-03-31	303
2011-06-30	366
2011-09-30	474
2011-12-31	425
2012-03-31	527
2012-06-30	1027
2012-09-30	551
2012-12-31	217
2013-03-31	525
2013-06-30	349
2013-09-30	394
2013-12-31	453
2014-03-31	392
2014-06-30	494
2014-09-30	470
2014-12-31	259
2015-03-31	572
2015-06-30	604
2015-09-30	529
2015-12-31	218
2016-03-31	233
2016-06-30	281
2016-09-30	223
2016-12-31	153
2017-03-31	201
2017-06-30	183
2017-09-30	196
2017-12-31	168
2018-03-31	174
2018-06-30	389
2018-09-30	246
2018-12-31	215
2019-03-31	456
2019-06-30	507
2019-09-30	479
2019-12-31	273
2020-03-31	500
2020-06-30	279
2020-09-30	330
2020-12-31	299
2021-03-31	297
2021-06-30	380
2021-09-30	411
2021-12-31	476
2022-03-31	632
2022-06-30	554
2022-09-30	577
2022-12-31	404
2023-03-31	650
2023-06-30	543
2023-09-30	560