Quarter	US dollars
2004-12-31	601
2005-03-31	843
2005-06-30	396
2005-09-30	341
2005-12-31	309
2006-03-31	210
2006-06-30	1062
2006-09-30	1283
2006-12-31	1276
2007-03-31	1824
2007-06-30	1182
2007-09-30	1002
2007-12-31	1181
2008-03-31	1840
2008-06-30	1309
2008-09-30	1501
2008-12-31	1405
2009-03-31	1549
2009-06-30	1276
2009-09-30	1553
2009-12-31	1902
2010-03-31	2688
2010-06-30	2909
2010-09-30	3698
2010-12-31	5849
2011-03-31	4729
2011-06-30	4971
2011-09-30	4233
2011-12-31	4164
2012-03-31	2901
2012-06-30	3788
2012-09-30	3973
2012-12-31	4626
2013-03-31	4682
2013-06-30	4476
2013-09-30	3666
2013-12-31	3630
2014-03-31	3325
2014-06-30	2161
2014-09-30	1941
2014-12-31	1244
2015-03-31	1589
2015-06-30	2627
2015-09-30	2990
2015-12-31	3265
2016-03-31	3865
2016-06-30	3988
2016-09-30	2979
2016-12-31	2890
2017-03-31	3176
2017-06-30	3136
2017-09-30	3950
2017-12-31	3309
2018-03-31	3900
2018-06-30	4180
2018-09-30	4590
2018-12-31	3794
2019-03-31	3840
2019-06-30	1723
2019-09-30	2633
2019-12-31	2139
2020-03-31	2520
2020-06-30	3663
2020-09-30	3075
2020-12-31	2585
2021-03-31	2710
2021-06-30	2519
2021-09-30	2699
2021-12-31	2604
2022-03-31	2419
2022-06-30	2194
2022-09-30	2631
2022-12-31	3014
2023-03-31	2644
2023-06-30	2270
2023-09-30	2535