Quarter	US dollars
2004-12-31	353
2005-03-31	338
2005-06-30	305
2005-09-30	333
2005-12-31	338
2006-03-31	319
2006-06-30	350
2006-09-30	327
2006-12-31	331
2007-03-31	318
2007-06-30	343
2007-09-30	369
2007-12-31	323
2008-03-31	362
2008-06-30	392
2008-09-30	358
2008-12-31	375
2009-03-31	340
2009-06-30	517
2009-09-30	640
2009-12-31	543
2010-03-31	579
2010-06-30	350
2010-09-30	755
2010-12-31	416
2011-03-31	425
2011-06-30	462
2011-09-30	347
2011-12-31	467
2012-03-31	278
2012-06-30	188
2012-09-30	428
2012-12-31	398
2013-03-31	358
2013-06-30	391
2013-09-30	418
2013-12-31	488
2014-03-31	243
2014-06-30	227
2014-09-30	125
2014-12-31	197
2015-03-31	192
2015-06-30	134
2015-09-30	123
2015-12-31	236
2016-03-31	128
2016-06-30	188
2016-09-30	222
2016-12-31	372
2017-03-31	133
2017-06-30	408
2017-09-30	468
2017-12-31	513
2018-03-31	603
2018-06-30	404
2018-09-30	426
2018-12-31	421
2019-03-31	481
2019-06-30	438
2019-09-30	338
2019-12-31	351
2020-03-31	344
2020-06-30	339
2020-09-30	331
2020-12-31	363
2021-03-31	334
2021-06-30	363
2021-09-30	345
2021-12-31	473
2022-03-31	387
2022-06-30	362
2022-09-30	318
2022-12-31	424
2023-03-31	597
2023-06-30	558
2023-09-30	310