Quarter	US dollars
2004-12-31	280367
2005-03-31	326982
2005-06-30	305438
2005-09-30	355536
2005-12-31	280220
2006-03-31	332552
2006-06-30	337983
2006-09-30	357831
2006-12-31	366938
2007-03-31	415933
2007-06-30	448091
2007-09-30	467088
2007-12-31	433425
2008-03-31	496082
2008-06-30	435661
2008-09-30	398652
2008-12-31	341532
2009-03-31	275833
2009-06-30	305147
2009-09-30	331348
2009-12-31	327186
2010-03-31	386322
2010-06-30	343634
2010-09-30	379790
2010-12-31	315497
2011-03-31	331234
2011-06-30	317890
2011-09-30	313217
2011-12-31	242367
2012-03-31	257075
2012-06-30	223579
2012-09-30	222687
2012-12-31	202491
2013-03-31	231932
2013-06-30	237213
2013-09-30	237788
2013-12-31	216547
2014-03-31	232460
2014-06-30	240556
2014-09-30	214778
2014-12-31	193469
2015-03-31	183727
2015-06-30	167998
2015-09-30	160440
2015-12-31	138352
2016-03-31	143029
2016-06-30	144637
2016-09-30	129095
2016-12-31	107948
2017-03-31	133846
2017-06-30	169786
2017-09-30	160253
2017-12-31	148137
2018-03-31	176038
2018-06-30	171359
2018-09-30	170173
2018-12-31	154634
2019-03-31	200044
2019-06-30	194914
2019-09-30	200642
2019-12-31	173900
2020-03-31	211071
2020-06-30	206071
2020-09-30	237406
2020-12-31	236468
2021-03-31	241368
2021-06-30	250444
2021-09-30	267887
2021-12-31	232441
2022-03-31	279925
2022-06-30	252846
2022-09-30	270579
2022-12-31	291271
2023-03-31	321151
2023-06-30	329977
2023-09-30	324378