Quarter	US dollars
2004-12-31	117
2005-03-31	127
2005-06-30	125
2005-09-30	113
2005-12-31	101
2006-03-31	113
2006-06-30	113
2006-09-30	138
2006-12-31	114
2007-03-31	141
2007-06-30	171
2007-09-30	183
2007-12-31	193
2008-03-31	213
2008-06-30	213
2008-09-30	198
2008-12-31	174
2009-03-31	162
2009-06-30	171
2009-09-30	117
2009-12-31	103
2010-03-31	109
2010-06-30	206
2010-09-30	197
2010-12-31	467
2011-03-31	375
2011-06-30	449
2011-09-30	413
2011-12-31	370
2012-03-31	446
2012-06-30	386
2012-09-30	365
2012-12-31	692
2013-03-31	1518
2013-06-30	1674
2013-09-30	1527
2013-12-31	960
2014-03-31	820
2014-06-30	747
2014-09-30	647
2014-12-31	598
2015-03-31	570
2015-06-30	551
2015-09-30	394
2015-12-31	412
2016-03-31	441
2016-06-30	412
2016-09-30	342
2016-12-31	370
2017-03-31	361
2017-06-30	372
2017-09-30	305
2017-12-31	354
2018-03-31	370
2018-06-30	358
2018-09-30	640
2018-12-31	435
2019-03-31	388
2019-06-30	321
2019-09-30	323
2019-12-31	362
2020-03-31	326
2020-06-30	347
2020-09-30	393
2020-12-31	397
2021-03-31	375
2021-06-30	373
2021-09-30	535
2021-12-31	392
2022-03-31	411
2022-06-30	389
2022-09-30	346
2022-12-31	359
2023-03-31	357
2023-06-30	380
2023-09-30	352