Quarter	US dollars
2004-12-31	363
2005-03-31	372
2005-06-30	373
2005-09-30	621
2005-12-31	767
2006-03-31	898
2006-06-30	1345
2006-09-30	1683
2006-12-31	871
2007-03-31	506
2007-06-30	546
2007-09-30	1520
2007-12-31	1633
2008-03-31	2274
2008-06-30	1940
2008-09-30	1385
2008-12-31	874
2009-03-31	603
2009-06-30	529
2009-09-30	520
2009-12-31	812
2010-03-31	476
2010-06-30	2596
2010-09-30	3372
2010-12-31	1381
2011-03-31	1540
2011-06-30	1256
2011-09-30	561
2011-12-31	274
2012-03-31	275
2012-06-30	359
2012-09-30	472
2012-12-31	445
2013-03-31	408
2013-06-30	432
2013-09-30	428
2013-12-31	717
2014-03-31	872
2014-06-30	817
2014-09-30	579
2014-12-31	359
2015-03-31	290
2015-06-30	340
2015-09-30	348
2015-12-31	307
2016-03-31	447
2016-06-30	333
2016-09-30	305
2016-12-31	364
2017-03-31	201
2017-06-30	259
2017-09-30	299
2017-12-31	408
2018-03-31	340
2018-06-30	297
2018-09-30	490
2018-12-31	458
2019-03-31	248
2019-06-30	277
2019-09-30	469
2019-12-31	391
2020-03-31	327
2020-06-30	319
2020-09-30	295
2020-12-31	258
2021-03-31	316
2021-06-30	267
2021-09-30	410
2021-12-31	371
2022-03-31	384
2022-06-30	358
2022-09-30	572
2022-12-31	543
2023-03-31	319
2023-06-30	363
2023-09-30	264