Quarter	US dollars
2004-12-31	102
2005-03-31	125
2005-06-30	158
2005-09-30	168
2005-12-31	160
2006-03-31	173
2006-06-30	178
2006-09-30	329
2006-12-31	354
2007-03-31	343
2007-06-30	237
2007-09-30	369
2007-12-31	325
2008-03-31	384
2008-06-30	412
2008-09-30	503
2008-12-31	300
2009-03-31	307
2009-06-30	175
2009-09-30	221
2009-12-31	292
2010-03-31	267
2010-06-30	344
2010-09-30	364
2010-12-31	518
2011-03-31	300
2011-06-30	366
2011-09-30	470
2011-12-31	402
2012-03-31	535
2012-06-30	929
2012-09-30	610
2012-12-31	252
2013-03-31	545
2013-06-30	347
2013-09-30	400
2013-12-31	453
2014-03-31	392
2014-06-30	503
2014-09-30	475
2014-12-31	262
2015-03-31	570
2015-06-30	621
2015-09-30	563
2015-12-31	247
2016-03-31	249
2016-06-30	279
2016-09-30	220
2016-12-31	154
2017-03-31	198
2017-06-30	165
2017-09-30	188
2017-12-31	157
2018-03-31	164
2018-06-30	374
2018-09-30	236
2018-12-31	213
2019-03-31	468
2019-06-30	526
2019-09-30	487
2019-12-31	285
2020-03-31	511
2020-06-30	287
2020-09-30	319
2020-12-31	289
2021-03-31	275
2021-06-30	365
2021-09-30	392
2021-12-31	460
2022-03-31	633
2022-06-30	562
2022-09-30	592
2022-12-31	421
2023-03-31	665
2023-06-30	551
2023-09-30	571