Quarter	US dollars
2004-12-31	397
2005-03-31	401
2005-06-30	462
2005-09-30	555
2005-12-31	276
2006-03-31	356
2006-06-30	1106
2006-09-30	1199
2006-12-31	1382
2007-03-31	1400
2007-06-30	2049
2007-09-30	2172
2007-12-31	1875
2008-03-31	2085
2008-06-30	2496
2008-09-30	2406
2008-12-31	1928
2009-03-31	1993
2009-06-30	2142
2009-09-30	2177
2009-12-31	2295
2010-03-31	2222
2010-06-30	2264
2010-09-30	1684
2010-12-31	1904
2011-03-31	2025
2011-06-30	1755
2011-09-30	1608
2011-12-31	826
2012-03-31	796
2012-06-30	712
2012-09-30	575
2012-12-31	606
2013-03-31	604
2013-06-30	1010
2013-09-30	583
2013-12-31	658
2014-03-31	522
2014-06-30	615
2014-09-30	426
2014-12-31	801
2015-03-31	717
2015-06-30	736
2015-09-30	839
2015-12-31	547
2016-03-31	500
2016-06-30	571
2016-09-30	498
2016-12-31	452
2017-03-31	365
2017-06-30	296
2017-09-30	256
2017-12-31	405
2018-03-31	289
2018-06-30	384
2018-09-30	386
2018-12-31	282
2019-03-31	280
2019-06-30	1367
2019-09-30	511
2019-12-31	564
2020-03-31	1353
2020-06-30	1321
2020-09-30	474
2020-12-31	642
2021-03-31	1344
2021-06-30	1244
2021-09-30	1304
2021-12-31	1202
2022-03-31	661
2022-06-30	660
2022-09-30	1276
2022-12-31	483
2023-03-31	734
2023-06-30	390
2023-09-30	593