Quarter	US dollars
2004-12-31	346
2005-03-31	384
2005-06-30	358
2005-09-30	348
2005-12-31	400
2006-03-31	441
2006-06-30	448
2006-09-30	402
2006-12-31	417
2007-03-31	430
2007-06-30	500
2007-09-30	538
2007-12-31	526
2008-03-31	1501
2008-06-30	1735
2008-09-30	1362
2008-12-31	1052
2009-03-31	954
2009-06-30	1018
2009-09-30	1056
2009-12-31	1174
2010-03-31	1345
2010-06-30	919
2010-09-30	1279
2010-12-31	1257
2011-03-31	1191
2011-06-30	1545
2011-09-30	1374
2011-12-31	1371
2012-03-31	1207
2012-06-30	1260
2012-09-30	1260
2012-12-31	1339
2013-03-31	1492
2013-06-30	1508
2013-09-30	1589
2013-12-31	1669
2014-03-31	1162
2014-06-30	1294
2014-09-30	1391
2014-12-31	1311
2015-03-31	1298
2015-06-30	1191
2015-09-30	1106
2015-12-31	1034
2016-03-31	1224
2016-06-30	1410
2016-09-30	1378
2016-12-31	1437
2017-03-31	1430
2017-06-30	831
2017-09-30	871
2017-12-31	800
2018-03-31	894
2018-06-30	755
2018-09-30	634
2018-12-31	554
2019-03-31	494
2019-06-30	510
2019-09-30	442
2019-12-31	435
2020-03-31	329
2020-06-30	319
2020-09-30	291
2020-12-31	287
2021-03-31	305
2021-06-30	281
2021-09-30	344
2021-12-31	367
2022-03-31	345
2022-06-30	342
2022-09-30	379
2022-12-31	364
2023-03-31	283
2023-06-30	270
2023-09-30	254