Quarter	US dollars
2004-12-31	194998
2005-03-31	225854
2005-06-30	195054
2005-09-30	205609
2005-12-31	186464
2006-03-31	221133
2006-06-30	215633
2006-09-30	231042
2006-12-31	245596
2007-03-31	281688
2007-06-30	272798
2007-09-30	320377
2007-12-31	273100
2008-03-31	305689
2008-06-30	240263
2008-09-30	244998
2008-12-31	141322
2009-03-31	131067
2009-06-30	144393
2009-09-30	126329
2009-12-31	127267
2010-03-31	126886
2010-06-30	120341
2010-09-30	128934
2010-12-31	129423
2011-03-31	138012
2011-06-30	142609
2011-09-30	119461
2011-12-31	108513
2012-03-31	119026
2012-06-30	108820
2012-09-30	115918
2012-12-31	115414
2013-03-31	113941
2013-06-30	103037
2013-09-30	108440
2013-12-31	106906
2014-03-31	106792
2014-06-30	115318
2014-09-30	108319
2014-12-31	101969
2015-03-31	96327
2015-06-30	94816
2015-09-30	95337
2015-12-31	83090
2016-03-31	92274
2016-06-30	94833
2016-09-30	85259
2016-12-31	92084
2017-03-31	98050
2017-06-30	100734
2017-09-30	95940
2017-12-31	91592
2018-03-31	108364
2018-06-30	103081
2018-09-30	102132
2018-12-31	95636
2019-03-31	95734
2019-06-30	79484
2019-09-30	81720
2019-12-31	84899
2020-03-31	97003
2020-06-30	88984
2020-09-30	86442
2020-12-31	79590
2021-03-31	96106
2021-06-30	99187
2021-09-30	103221
2021-12-31	104134
2022-03-31	104514
2022-06-30	90046
2022-09-30	93164
2022-12-31	90151
2023-03-31	90584
2023-06-30	99540
2023-09-30	95365