Quarter	US dollars
2004-12-31	313
2005-03-31	253
2005-06-30	344
2005-09-30	387
2005-12-31	345
2006-03-31	389
2006-06-30	279
2006-09-30	377
2006-12-31	301
2007-03-31	271
2007-06-30	427
2007-09-30	497
2007-12-31	444
2008-03-31	457
2008-06-30	862
2008-09-30	1126
2008-12-31	1379
2009-03-31	1449
2009-06-30	1347
2009-09-30	720
2009-12-31	1105
2010-03-31	692
2010-06-30	733
2010-09-30	608
2010-12-31	1171
2011-03-31	880
2011-06-30	1275
2011-09-30	1201
2011-12-31	1599
2012-03-31	1715
2012-06-30	1758
2012-09-30	1484
2012-12-31	1654
2013-03-31	1404
2013-06-30	1370
2013-09-30	1947
2013-12-31	2147
2014-03-31	3226
2014-06-30	2358
2014-09-30	2615
2014-12-31	3708
2015-03-31	3287
2015-06-30	2652
2015-09-30	2149
2015-12-31	1454
2016-03-31	1643
2016-06-30	2034
2016-09-30	1815
2016-12-31	1655
2017-03-31	1656
2017-06-30	1665
2017-09-30	1358
2017-12-31	1741
2018-03-31	1855
2018-06-30	2374
2018-09-30	2655
2018-12-31	1484
2019-03-31	1904
2019-06-30	1339
2019-09-30	1337
2019-12-31	1436
2020-03-31	2982
2020-06-30	2674
2020-09-30	2547
2020-12-31	2698
2021-03-31	2199
2021-06-30	2456
2021-09-30	2443
2021-12-31	2325
2022-03-31	2377
2022-06-30	1268
2022-09-30	2178
2022-12-31	2584
2023-03-31	3024
2023-06-30	2704
2023-09-30	3272