Quarter	US dollars
2004-12-31	635
2005-03-31	737
2005-06-30	631
2005-09-30	706
2005-12-31	730
2006-03-31	761
2006-06-30	788
2006-09-30	506
2006-12-31	871
2007-03-31	600
2007-06-30	642
2007-09-30	522
2007-12-31	774
2008-03-31	1310
2008-06-30	1194
2008-09-30	1550
2008-12-31	1110
2009-03-31	950
2009-06-30	1716
2009-09-30	1219
2009-12-31	1306
2010-03-31	1436
2010-06-30	1549
2010-09-30	1232
2010-12-31	1495
2011-03-31	1571
2011-06-30	1392
2011-09-30	1524
2011-12-31	1789
2012-03-31	1962
2012-06-30	1768
2012-09-30	1579
2012-12-31	3057
2013-03-31	2576
2013-06-30	1658
2013-09-30	5012
2013-12-31	2286
2014-03-31	2044
2014-06-30	2086
2014-09-30	1702
2014-12-31	2056
2015-03-31	1350
2015-06-30	1376
2015-09-30	924
2015-12-31	701
2016-03-31	896
2016-06-30	1195
2016-09-30	1230
2016-12-31	1778
2017-03-31	1282
2017-06-30	861
2017-09-30	1034
2017-12-31	1650
2018-03-31	1186
2018-06-30	1504
2018-09-30	1068
2018-12-31	984
2019-03-31	593
2019-06-30	1223
2019-09-30	1377
2019-12-31	1490
2020-03-31	1614
2020-06-30	886
2020-09-30	884
2020-12-31	928
2021-03-31	677
2021-06-30	962
2021-09-30	1383
2021-12-31	508
2022-03-31	507
2022-06-30	692
2022-09-30	1125
2022-12-31	1147
2023-03-31	1419
2023-06-30	1724
2023-09-30	932