Quarter	US dollars
2004-12-31	326
2005-03-31	310
2005-06-30	247
2005-09-30	359
2005-12-31	347
2006-03-31	265
2006-06-30	255
2006-09-30	256
2006-12-31	296
2007-03-31	369
2007-06-30	327
2007-09-30	348
2007-12-31	297
2008-03-31	260
2008-06-30	308
2008-09-30	365
2008-12-31	384
2009-03-31	393
2009-06-30	461
2009-09-30	517
2009-12-31	609
2010-03-31	588
2010-06-30	542
2010-09-30	440
2010-12-31	449
2011-03-31	465
2011-06-30	543
2011-09-30	486
2011-12-31	478
2012-03-31	417
2012-06-30	494
2012-09-30	619
2012-12-31	592
2013-03-31	792
2013-06-30	901
2013-09-30	930
2013-12-31	1463
2014-03-31	1637
2014-06-30	1821
2014-09-30	1787
2014-12-31	1751
2015-03-31	1679
2015-06-30	1692
2015-09-30	1696
2015-12-31	1697
2016-03-31	1767
2016-06-30	1530
2016-09-30	1602
2016-12-31	1528
2017-03-31	1615
2017-06-30	1611
2017-09-30	1811
2017-12-31	1813
2018-03-31	1761
2018-06-30	1623
2018-09-30	1757
2018-12-31	2140
2019-03-31	1695
2019-06-30	1678
2019-09-30	1843
2019-12-31	1849
2020-03-31	1991
2020-06-30	2480
2020-09-30	2521
2020-12-31	2921
2021-03-31	3086
2021-06-30	2990
2021-09-30	2757
2021-12-31	3127
2022-03-31	3042
2022-06-30	2781
2022-09-30	2809
2022-12-31	2565
2023-03-31	2750
2023-06-30	2912
2023-09-30	2619