Quarter	US dollars
2004-12-31	1292
2005-03-31	1958
2005-06-30	1843
2005-09-30	1937
2005-12-31	2113
2006-03-31	2236
2006-06-30	2511
2006-09-30	1347
2006-12-31	1630
2007-03-31	508
2007-06-30	498
2007-09-30	454
2007-12-31	1603
2008-03-31	1646
2008-06-30	1542
2008-09-30	4585
2008-12-31	4170
2009-03-31	232
2009-06-30	252
2009-09-30	235
2009-12-31	229
2010-03-31	385
2010-06-30	506
2010-09-30	657
2010-12-31	1224
2011-03-31	1005
2011-06-30	726
2011-09-30	696
2011-12-31	417
2012-03-31	727
2012-06-30	729
2012-09-30	870
2012-12-31	778
2013-03-31	2304
2013-06-30	1591
2013-09-30	1480
2013-12-31	1440
2014-03-31	1205
2014-06-30	1575
2014-09-30	1457
2014-12-31	1531
2015-03-31	1359
2015-06-30	1337
2015-09-30	1277
2015-12-31	1346
2016-03-31	1244
2016-06-30	1171
2016-09-30	1255
2016-12-31	1083
2017-03-31	983
2017-06-30	951
2017-09-30	411
2017-12-31	353
2018-03-31	366
2018-06-30	828
2018-09-30	602
2018-12-31	767
2019-03-31	794
2019-06-30	682
2019-09-30	898
2019-12-31	955
2020-03-31	1264
2020-06-30	974
2020-09-30	938
2020-12-31	450
2021-03-31	410
2021-06-30	459
2021-09-30	380
2021-12-31	593
2022-03-31	519
2022-06-30	585
2022-09-30	1230
2022-12-31	433
2023-03-31	482
2023-06-30	1454
2023-09-30	1475