Quarter	US dollars
2004-12-31	258012
2005-03-31	272531
2005-06-30	269922
2005-09-30	281041
2005-12-31	275885
2006-03-31	292327
2006-06-30	302831
2006-09-30	326916
2006-12-31	337528
2007-03-31	337508
2007-06-30	359021
2007-09-30	424898
2007-12-31	419534
2008-03-31	439774
2008-06-30	447773
2008-09-30	470184
2008-12-31	420291
2009-03-31	426273
2009-06-30	459683
2009-09-30	468628
2009-12-31	465363
2010-03-31	459181
2010-06-30	478025
2010-09-30	506170
2010-12-31	516216
2011-03-31	556286
2011-06-30	547150
2011-09-30	520560
2011-12-31	513520
2012-03-31	531026
2012-06-30	532218
2012-09-30	546556
2012-12-31	551757
2013-03-31	559074
2013-06-30	547504
2013-09-30	572383
2013-12-31	585797
2014-03-31	579889
2014-06-30	599925
2014-09-30	603498
2014-12-31	596461
2015-03-31	593800
2015-06-30	603946
2015-09-30	608905
2015-12-31	567760
2016-03-31	578824
2016-06-30	600364
2016-09-30	602025
2016-12-31	597632
2017-03-31	613550
2017-06-30	637453
2017-09-30	654423
2017-12-31	671438
2018-03-31	650410
2018-06-30	657847
2018-09-30	664567
2018-12-31	674574
2019-03-31	678776
2019-06-30	703272
2019-09-30	703723
2019-12-31	723958
2020-03-31	730514
2020-06-30	734199
2020-09-30	748263
2020-12-31	748174
2021-03-31	752801
2021-06-30	769765
2021-09-30	771940
2021-12-31	775871
2022-03-31	790988
2022-06-30	792394
2022-09-30	770683
2022-12-31	775784
2023-03-31	788946
2023-06-30	782688
2023-09-30	777174