Quarter	US dollars
2004-12-31	361
2005-03-31	420
2005-06-30	324
2005-09-30	320
2005-12-31	316
2006-03-31	302
2006-06-30	276
2006-09-30	340
2006-12-31	286
2007-03-31	435
2007-06-30	433
2007-09-30	438
2007-12-31	450
2008-03-31	463
2008-06-30	458
2008-09-30	492
2008-12-31	322
2009-03-31	300
2009-06-30	296
2009-09-30	355
2009-12-31	384
2010-03-31	385
2010-06-30	467
2010-09-30	492
2010-12-31	568
2011-03-31	718
2011-06-30	723
2011-09-30	829
2011-12-31	676
2012-03-31	807
2012-06-30	852
2012-09-30	720
2012-12-31	825
2013-03-31	850
2013-06-30	927
2013-09-30	839
2013-12-31	693
2014-03-31	744
2014-06-30	848
2014-09-30	785
2014-12-31	785
2015-03-31	840
2015-06-30	774
2015-09-30	857
2015-12-31	865
2016-03-31	1022
2016-06-30	921
2016-09-30	1011
2016-12-31	1090
2017-03-31	1118
2017-06-30	166
2017-09-30	172
2017-12-31	150
2018-03-31	150
2018-06-30	176
2018-09-30	176
2018-12-31	255
2019-03-31	238
2019-06-30	249
2019-09-30	310
2019-12-31	285
2020-03-31	273
2020-06-30	372
2020-09-30	311
2020-12-31	291
2021-03-31	298
2021-06-30	296
2021-09-30	295
2021-12-31	319
2022-03-31	333
2022-06-30	322
2022-09-30	334
2022-12-31	410
2023-03-31	391
2023-06-30	384
2023-09-30	382