Quarter	US dollars
2004-12-31	774
2005-03-31	879
2005-06-30	1086
2005-09-30	1196
2005-12-31	1081
2006-03-31	1329
2006-06-30	1167
2006-09-30	1468
2006-12-31	1254
2007-03-31	1514
2007-06-30	3202
2007-09-30	2575
2007-12-31	1593
2008-03-31	1807
2008-06-30	1367
2008-09-30	1723
2008-12-31	1348
2009-03-31	1374
2009-06-30	2342
2009-09-30	2618
2009-12-31	2459
2010-03-31	4678
2010-06-30	4553
2010-09-30	5907
2010-12-31	4717
2011-03-31	5678
2011-06-30	5673
2011-09-30	5445
2011-12-31	4992
2012-03-31	5336
2012-06-30	5084
2012-09-30	4866
2012-12-31	5258
2013-03-31	5319
2013-06-30	3696
2013-09-30	3363
2013-12-31	3484
2014-03-31	3905
2014-06-30	3915
2014-09-30	3124
2014-12-31	3207
2015-03-31	3140
2015-06-30	2962
2015-09-30	2704
2015-12-31	2533
2016-03-31	3109
2016-06-30	3206
2016-09-30	3339
2016-12-31	2856
2017-03-31	4491
2017-06-30	4866
2017-09-30	5032
2017-12-31	5055
2018-03-31	5166
2018-06-30	4452
2018-09-30	4216
2018-12-31	4096
2019-03-31	4494
2019-06-30	4600
2019-09-30	4525
2019-12-31	4519
2020-03-31	4398
2020-06-30	4790
2020-09-30	4691
2020-12-31	6190
2021-03-31	6039
2021-06-30	6080
2021-09-30	6827
2021-12-31	7011
2022-03-31	6707
2022-06-30	6526
2022-09-30	6227
2022-12-31	5738
2023-03-31	6407
2023-06-30	6551
2023-09-30	6094