Quarter	US dollars
2004-12-31	115
2005-03-31	123
2005-06-30	177
2005-09-30	230
2005-12-31	287
2006-03-31	278
2006-06-30	318
2006-09-30	456
2006-12-31	344
2007-03-31	612
2007-06-30	548
2007-09-30	1112
2007-12-31	814
2008-03-31	1047
2008-06-30	1007
2008-09-30	1148
2008-12-31	1256
2009-03-31	1232
2009-06-30	814
2009-09-30	825
2009-12-31	861
2010-03-31	1147
2010-06-30	1192
2010-09-30	1171
2010-12-31	1282
2011-03-31	1454
2011-06-30	1215
2011-09-30	1393
2011-12-31	1588
2012-03-31	1644
2012-06-30	1813
2012-09-30	1494
2012-12-31	1332
2013-03-31	1488
2013-06-30	1612
2013-09-30	1683
2013-12-31	1555
2014-03-31	1577
2014-06-30	1715
2014-09-30	1634
2014-12-31	1818
2015-03-31	1900
2015-06-30	1603
2015-09-30	1675
2015-12-31	1292
2016-03-31	1362
2016-06-30	1548
2016-09-30	1411
2016-12-31	1722
2017-03-31	1485
2017-06-30	1530
2017-09-30	1541
2017-12-31	1910
2018-03-31	1434
2018-06-30	1897
2018-09-30	2448
2018-12-31	2099
2019-03-31	2074
2019-06-30	1838
2019-09-30	1747
2019-12-31	1764
2020-03-31	1922
2020-06-30	1704
2020-09-30	1397
2020-12-31	1829
2021-03-31	1945
2021-06-30	1646
2021-09-30	1824
2021-12-31	2156
2022-03-31	2093
2022-06-30	2147
2022-09-30	2314
2022-12-31	1747
2023-03-31	1709
2023-06-30	1978
2023-09-30	1876