Quarter	US dollars
2004-12-31	173
2005-03-31	147
2005-06-30	93
2005-09-30	129
2005-12-31	89
2006-03-31	108
2006-06-30	135
2006-09-30	359
2006-12-31	200
2007-03-31	208
2007-06-30	122
2007-09-30	236
2007-12-31	392
2008-03-31	425
2008-06-30	601
2008-09-30	198
2008-12-31	556
2009-03-31	525
2009-06-30	499
2009-09-30	267
2009-12-31	565
2010-03-31	388
2010-06-30	561
2010-09-30	496
2010-12-31	537
2011-03-31	580
2011-06-30	474
2011-09-30	731
2011-12-31	1020
2012-03-31	1138
2012-06-30	1435
2012-09-30	1707
2012-12-31	1774
2013-03-31	2118
2013-06-30	2190
2013-09-30	2491
2013-12-31	2519
2014-03-31	919
2014-06-30	903
2014-09-30	1221
2014-12-31	1497
2015-03-31	2028
2015-06-30	1551
2015-09-30	1180
2015-12-31	1477
2016-03-31	1343
2016-06-30	1197
2016-09-30	1675
2016-12-31	1660
2017-03-31	1363
2017-06-30	1352
2017-09-30	1707
2017-12-31	1471
2018-03-31	1680
2018-06-30	1616
2018-09-30	2011
2018-12-31	2349
2019-03-31	1875
2019-06-30	1972
2019-09-30	2721
2019-12-31	2614
2020-03-31	2770
2020-06-30	3194
2020-09-30	2173
2020-12-31	2148
2021-03-31	2283
2021-06-30	2579
2021-09-30	2361
2021-12-31	2414
2022-03-31	2140
2022-06-30	1519
2022-09-30	1354
2022-12-31	1440
2023-03-31	1056
2023-06-30	1278
2023-09-30	1737