Quarter	US dollars
2004-12-31	432490
2005-03-31	505190
2005-06-30	480852
2005-09-30	547341
2005-12-31	477962
2006-03-31	520829
2006-06-30	549473
2006-09-30	568135
2006-12-31	571205
2007-03-31	640808
2007-06-30	672579
2007-09-30	743197
2007-12-31	671473
2008-03-31	800909
2008-06-30	704589
2008-09-30	706022
2008-12-31	616472
2009-03-31	535601
2009-06-30	575667
2009-09-30	563768
2009-12-31	555231
2010-03-31	610478
2010-06-30	572383
2010-09-30	625144
2010-12-31	556186
2011-03-31	561723
2011-06-30	549782
2011-09-30	512205
2011-12-31	418447
2012-03-31	474358
2012-06-30	412884
2012-09-30	410348
2012-12-31	376789
2013-03-31	388684
2013-06-30	427831
2013-09-30	413470
2013-12-31	359773
2014-03-31	407021
2014-06-30	421142
2014-09-30	382892
2014-12-31	336618
2015-03-31	338124
2015-06-30	301248
2015-09-30	294324
2015-12-31	258144
2016-03-31	261960
2016-06-30	293217
2016-09-30	248876
2016-12-31	233990
2017-03-31	263297
2017-06-30	281848
2017-09-30	284682
2017-12-31	275700
2018-03-31	300717
2018-06-30	302316
2018-09-30	298549
2018-12-31	272004
2019-03-31	313368
2019-06-30	317284
2019-09-30	316877
2019-12-31	286104
2020-03-31	356150
2020-06-30	326546
2020-09-30	350149
2020-12-31	350074
2021-03-31	365535
2021-06-30	386706
2021-09-30	403540
2021-12-31	367675
2022-03-31	416879
2022-06-30	386795
2022-09-30	400172
2022-12-31	412806
2023-03-31	455213
2023-06-30	463420
2023-09-30	454090