Quarter	US dollars
2004-12-31	31843
2005-03-31	30375
2005-06-30	30431
2005-09-30	32923
2005-12-31	31637
2006-03-31	30239
2006-06-30	31242
2006-09-30	34186
2006-12-31	31733
2007-03-31	31338
2007-06-30	32883
2007-09-30	37048
2007-12-31	33602
2008-03-31	36816
2008-06-30	35712
2008-09-30	45057
2008-12-31	60470
2009-03-31	66953
2009-06-30	86849
2009-09-30	89946
2009-12-31	101201
2010-03-31	94853
2010-06-30	97304
2010-09-30	100689
2010-12-31	93680
2011-03-31	97161
2011-06-30	100202
2011-09-30	107758
2011-12-31	106483
2012-03-31	111341
2012-06-30	105699
2012-09-30	109090
2012-12-31	120796
2013-03-31	126156
2013-06-30	117555
2013-09-30	124741
2013-12-31	130267
2014-03-31	127553
2014-06-30	122715
2014-09-30	134918
2014-12-31	119061
2015-03-31	122203
2015-06-30	135055
2015-09-30	138132
2015-12-31	127984
2016-03-31	138125
2016-06-30	146424
2016-09-30	151650
2016-12-31	141183
2017-03-31	140494
2017-06-30	134411
2017-09-30	142349
2017-12-31	144620
2018-03-31	139464
2018-06-30	139033
2018-09-30	148437
2018-12-31	157633
2019-03-31	149876
2019-06-30	152144
2019-09-30	152392
2019-12-31	161446
2020-03-31	158126
2020-06-30	182161
2020-09-30	192335
2020-12-31	207970
2021-03-31	205531
2021-06-30	200084
2021-09-30	211507
2021-12-31	197563
2022-03-31	211401
2022-06-30	214040
2022-09-30	218260
2022-12-31	219900
2023-03-31	222034
2023-06-30	219419
2023-09-30	214633