Quarter	US dollars
2004-12-31	135716
2005-03-31	154725
2005-06-30	132403
2005-09-30	136205
2005-12-31	137872
2006-03-31	171117
2006-06-30	183300
2006-09-30	199776
2006-12-31	205536
2007-03-31	244960
2007-06-30	286253
2007-09-30	316158
2007-12-31	294404
2008-03-31	342947
2008-06-30	293928
2008-09-30	285482
2008-12-31	241107
2009-03-31	234005
2009-06-30	272498
2009-09-30	280927
2009-12-31	254027
2010-03-31	298537
2010-06-30	270140
2010-09-30	289990
2010-12-31	269083
2011-03-31	294048
2011-06-30	305263
2011-09-30	276013
2011-12-31	298235
2012-03-31	248043
2012-06-30	250554
2012-09-30	223586
2012-12-31	221012
2013-03-31	241083
2013-06-30	236085
2013-09-30	234088
2013-12-31	216717
2014-03-31	217696
2014-06-30	218158
2014-09-30	207377
2014-12-31	187505
2015-03-31	177852
2015-06-30	179306
2015-09-30	171841
2015-12-31	150291
2016-03-31	160098
2016-06-30	148127
2016-09-30	143604
2016-12-31	134367
2017-03-31	164359
2017-06-30	208204
2017-09-30	211400
2017-12-31	227500
2018-03-31	215277
2018-06-30	188296
2018-09-30	218520
2018-12-31	241003
2019-03-31	260875
2019-06-30	274864
2019-09-30	260303
2019-12-31	246303
2020-03-31	300516
2020-06-30	303177
2020-09-30	347595
2020-12-31	365842
2021-03-31	389243
2021-06-30	382718
2021-09-30	359183
2021-12-31	338748
2022-03-31	388329
2022-06-30	369655
2022-09-30	366730
2022-12-31	393464
2023-03-31	390236
2023-06-30	397372
2023-09-30	390583