Quarter	US dollars
2004-12-31	36
2005-03-31	102
2005-06-30	90
2005-09-30	117
2005-12-31	129
2006-03-31	198
2006-06-30	242
2006-09-30	334
2006-12-31	223
2007-03-31	369
2007-06-30	339
2007-09-30	361
2007-12-31	247
2008-03-31	294
2008-06-30	310
2008-09-30	380
2008-12-31	318
2009-03-31	282
2009-06-30	295
2009-09-30	214
2009-12-31	231
2010-03-31	220
2010-06-30	262
2010-09-30	607
2010-12-31	511
2011-03-31	665
2011-06-30	527
2011-09-30	929
2011-12-31	881
2012-03-31	930
2012-06-30	954
2012-09-30	943
2012-12-31	857
2013-03-31	1749
2013-06-30	1442
2013-09-30	1472
2013-12-31	1469
2014-03-31	1451
2014-06-30	1742
2014-09-30	1654
2014-12-31	1709
2015-03-31	1756
2015-06-30	1615
2015-09-30	1592
2015-12-31	1482
2016-03-31	1717
2016-06-30	1532
2016-09-30	1541
2016-12-31	1619
2017-03-31	1535
2017-06-30	1511
2017-09-30	1550
2017-12-31	1552
2018-03-31	1440
2018-06-30	1476
2018-09-30	1120
2018-12-31	1520
2019-03-31	1362
2019-06-30	1279
2019-09-30	1391
2019-12-31	1649
2020-03-31	1607
2020-06-30	1277
2020-09-30	1212
2020-12-31	1116
2021-03-31	1174
2021-06-30	1463
2021-09-30	1544
2021-12-31	1969
2022-03-31	2065
2022-06-30	1732
2022-09-30	2656
2022-12-31	2554
2023-03-31	2480
2023-06-30	1918
2023-09-30	1959