Quarter	US dollars
2004-12-31	1618
2005-03-31	1331
2005-06-30	1167
2005-09-30	1014
2005-12-31	570
2006-03-31	519
2006-06-30	473
2006-09-30	992
2006-12-31	607
2007-03-31	1130
2007-06-30	871
2007-09-30	658
2007-12-31	611
2008-03-31	620
2008-06-30	864
2008-09-30	629
2008-12-31	656
2009-03-31	631
2009-06-30	570
2009-09-30	523
2009-12-31	468
2010-03-31	472
2010-06-30	410
2010-09-30	378
2010-12-31	365
2011-03-31	333
2011-06-30	321
2011-09-30	752
2011-12-31	600
2012-03-31	615
2012-06-30	253
2012-09-30	233
2012-12-31	587
2013-03-31	534
2013-06-30	472
2013-09-30	382
2013-12-31	177
2014-03-31	125
2014-06-30	144
2014-09-30	173
2014-12-31	198
2015-03-31	138
2015-06-30	129
2015-09-30	736
2015-12-31	1
2016-03-31	16
2016-06-30	9
2016-09-30	0
2016-12-31	582
2017-03-31	585
2017-06-30	850
2017-09-30	576
2017-12-31	685
2018-03-31	363
2018-06-30	615
2018-09-30	605
2018-12-31	531
2019-03-31	745
2019-06-30	542
2019-09-30	320
2019-12-31	170
2020-03-31	148
2020-06-30	154
2020-09-30	438
2020-12-31	966
2021-03-31	720
2021-06-30	974
2021-09-30	1046
2021-12-31	1617
2022-03-31	1701
2022-06-30	2114
2022-09-30	2174
2022-12-31	2161
2023-03-31	2502
2023-06-30	2047
2023-09-30	1782