Quarter	US dollars
2004-12-31	296
2005-03-31	251
2005-06-30	298
2005-09-30	430
2005-12-31	414
2006-03-31	687
2006-06-30	666
2006-09-30	792
2006-12-31	904
2007-03-31	1238
2007-06-30	1567
2007-09-30	1797
2007-12-31	1660
2008-03-31	2051
2008-06-30	1843
2008-09-30	2090
2008-12-31	2072
2009-03-31	2111
2009-06-30	1902
2009-09-30	1820
2009-12-31	1694
2010-03-31	1849
2010-06-30	1347
2010-09-30	1585
2010-12-31	1522
2011-03-31	1670
2011-06-30	1476
2011-09-30	2790
2011-12-31	1177
2012-03-31	1269
2012-06-30	1399
2012-09-30	1340
2012-12-31	1247
2013-03-31	985
2013-06-30	1084
2013-09-30	1185
2013-12-31	1365
2014-03-31	1601
2014-06-30	1780
2014-09-30	1910
2014-12-31	2006
2015-03-31	1930
2015-06-30	1804
2015-09-30	1859
2015-12-31	1623
2016-03-31	1628
2016-06-30	1947
2016-09-30	2297
2016-12-31	3057
2017-03-31	3487
2017-06-30	2601
2017-09-30	3248
2017-12-31	3946
2018-03-31	2605
2018-06-30	2188
2018-09-30	2522
2018-12-31	1866
2019-03-31	1261
2019-06-30	1348
2019-09-30	1397
2019-12-31	1243
2020-03-31	995
2020-06-30	839
2020-09-30	870
2020-12-31	872
2021-03-31	999
2021-06-30	1153
2021-09-30	926
2021-12-31	929
2022-03-31	988
2022-06-30	1739
2022-09-30	1563
2022-12-31	1425
2023-03-31	1718
2023-06-30	1352
2023-09-30	981