Quarter	US dollars
2004-12-31	376331
2005-03-31	381492
2005-06-30	371521
2005-09-30	382031
2005-12-31	386187
2006-03-31	455011
2006-06-30	509047
2006-09-30	530812
2006-12-31	550535
2007-03-31	608731
2007-06-30	598625
2007-09-30	671829
2007-12-31	645649
2008-03-31	665002
2008-06-30	628971
2008-09-30	590406
2008-12-31	563578
2009-03-31	579344
2009-06-30	570050
2009-09-30	611163
2009-12-31	570493
2010-03-31	552663
2010-06-30	524717
2010-09-30	568634
2010-12-31	536627
2011-03-31	573133
2011-06-30	571598
2011-09-30	556745
2011-12-31	535164
2012-03-31	528535
2012-06-30	482801
2012-09-30	497615
2012-12-31	510969
2013-03-31	477789
2013-06-30	496154
2013-09-30	526289
2013-12-31	530572
2014-03-31	531417
2014-06-30	531505
2014-09-30	509989
2014-12-31	513367
2015-03-31	510740
2015-06-30	488480
2015-09-30	505705
2015-12-31	481532
2016-03-31	474208
2016-06-30	444900
2016-09-30	435923
2016-12-31	409290
2017-03-31	422814
2017-06-30	450697
2017-09-30	448092
2017-12-31	453710
2018-03-31	480914
2018-06-30	420162
2018-09-30	459149
2018-12-31	437714
2019-03-31	500637
2019-06-30	521047
2019-09-30	513033
2019-12-31	523548
2020-03-31	454128
2020-06-30	503635
2020-09-30	514609
2020-12-31	572788
2021-03-31	549073
2021-06-30	547590
2021-09-30	572903
2021-12-31	607826
2022-03-31	524564
2022-06-30	491180
2022-09-30	455066
2022-12-31	544985
2023-03-31	539806
2023-06-30	632233
2023-09-30	650477