Quarter	US dollars
2004-12-31	2893
2005-03-31	2872
2005-06-30	3160
2005-09-30	3497
2005-12-31	1172
2006-03-31	817
2006-06-30	9663
2006-09-30	13959
2006-12-31	14666
2007-03-31	5113
2007-06-30	4874
2007-09-30	1096
2007-12-31	1270
2008-03-31	1183
2008-06-30	1791
2008-09-30	1502
2008-12-31	518
2009-03-31	464
2009-06-30	599
2009-09-30	536
2009-12-31	489
2010-03-31	681
2010-06-30	1284
2010-09-30	915
2010-12-31	781
2011-03-31	1010
2011-06-30	1191
2011-09-30	1385
2011-12-31	1999
2012-03-31	1697
2012-06-30	1037
2012-09-30	1224
2012-12-31	1327
2013-03-31	1457
2013-06-30	2052
2013-09-30	2677
2013-12-31	1940
2014-03-31	1235
2014-06-30	1489
2014-09-30	853
2014-12-31	890
2015-03-31	1278
2015-06-30	1125
2015-09-30	1062
2015-12-31	1223
2016-03-31	1964
2016-06-30	1566
2016-09-30	913
2016-12-31	595
2017-03-31	897
2017-06-30	1859
2017-09-30	1331
2017-12-31	815
2018-03-31	898
2018-06-30	771
2018-09-30	840
2018-12-31	1093
2019-03-31	1901
2019-06-30	1702
2019-09-30	760
2019-12-31	822
2020-03-31	864
2020-06-30	926
2020-09-30	977
2020-12-31	786
2021-03-31	675
2021-06-30	529
2021-09-30	476
2021-12-31	460
2022-03-31	995
2022-06-30	835
2022-09-30	1004
2022-12-31	1598
2023-03-31	1759
2023-06-30	901
2023-09-30	1505