Quarter	US dollars
2004-12-31	242
2005-03-31	293
2005-06-30	265
2005-09-30	216
2005-12-31	170
2006-03-31	156
2006-06-30	198
2006-09-30	166
2006-12-31	186
2007-03-31	173
2007-06-30	191
2007-09-30	185
2007-12-31	209
2008-03-31	248
2008-06-30	237
2008-09-30	296
2008-12-31	286
2009-03-31	191
2009-06-30	229
2009-09-30	238
2009-12-31	320
2010-03-31	320
2010-06-30	319
2010-09-30	299
2010-12-31	481
2011-03-31	598
2011-06-30	713
2011-09-30	622
2011-12-31	713
2012-03-31	507
2012-06-30	558
2012-09-30	796
2013-03-31	776
2014-03-31	984
2014-06-30	1034
2014-09-30	1216
2014-12-31	1230
2015-03-31	1253
2015-06-30	1188
2015-09-30	1110
2015-12-31	1132
2016-03-31	982
2016-06-30	1205
2016-09-30	1251
2016-12-31	1187
2017-03-31	1282
2017-06-30	1835
2017-09-30	1776
2017-12-31	1728
2018-03-31	1851
2018-06-30	1862
2018-09-30	1946
2018-12-31	1671
2019-03-31	1638
2019-06-30	1657
2019-09-30	1722
2019-12-31	1569
2020-03-31	1477
2020-06-30	1463
2020-09-30	1437
2020-12-31	1488
2021-03-31	1520
2021-06-30	1726
2021-09-30	1951
2021-12-31	2004
2022-03-31	2073
2022-06-30	2015
2022-09-30	2150
2022-12-31	2271
2023-03-31	2350
2023-06-30	2228
2023-09-30	1958