Quarter	US dollars
2004-12-31	40
2005-03-31	45
2005-06-30	36
2005-09-30	71
2005-12-31	84
2006-03-31	142
2006-06-30	102
2006-09-30	420
2006-12-31	219
2007-03-31	241
2007-06-30	257
2007-09-30	139
2007-12-31	143
2008-03-31	115
2008-06-30	139
2008-09-30	428
2008-12-31	365
2009-03-31	192
2009-06-30	227
2009-09-30	264
2009-12-31	210
2010-03-31	279
2010-06-30	323
2010-09-30	468
2010-12-31	297
2011-03-31	316
2011-06-30	554
2011-09-30	533
2011-12-31	312
2012-03-31	428
2012-06-30	500
2012-09-30	539
2012-12-31	449
2013-03-31	613
2013-06-30	804
2013-09-30	847
2013-12-31	688
2014-03-31	764
2014-06-30	759
2014-09-30	944
2014-12-31	932
2015-03-31	889
2015-06-30	974
2015-09-30	662
2015-12-31	600
2016-03-31	625
2016-06-30	1080
2016-09-30	1055
2016-12-31	1036
2017-03-31	1056
2017-06-30	1265
2017-09-30	1244
2017-12-31	1290
2018-03-31	1311
2018-06-30	1195
2018-09-30	1129
2018-12-31	1267
2019-03-31	1295
2019-06-30	1377
2019-09-30	1837
2019-12-31	1761
2020-03-31	2058
2020-06-30	1710
2020-09-30	1634
2020-12-31	1723
2021-03-31	1722
2021-06-30	1734
2021-09-30	1676
2021-12-31	1512
2022-03-31	1427
2022-06-30	1177
2022-09-30	1363
2022-12-31	1665
2023-03-31	1656
2023-06-30	1319
2023-09-30	1367