Quarter	US dollars
2004-12-31	415
2005-03-31	331
2005-06-30	296
2005-09-30	359
2005-12-31	233
2006-03-31	300
2006-06-30	394
2006-09-30	336
2006-12-31	364
2007-03-31	361
2007-06-30	472
2007-09-30	379
2007-12-31	350
2008-03-31	340
2008-06-30	370
2008-09-30	349
2008-12-31	298
2009-03-31	414
2009-06-30	474
2009-09-30	264
2009-12-31	187
2010-03-31	267
2010-06-30	229
2010-09-30	280
2010-12-31	294
2011-03-31	276
2011-06-30	9595
2011-09-30	11385
2011-12-31	4218
2012-03-31	2352
2012-06-30	348
2012-09-30	370
2012-12-31	437
2013-03-31	1104
2013-06-30	450
2013-09-30	405
2013-12-31	369
2014-03-31	970
2014-06-30	593
2014-09-30	694
2014-12-31	713
2015-03-31	615
2015-06-30	1611
2015-09-30	2119
2015-12-31	1529
2016-03-31	1291
2016-06-30	1468
2016-09-30	1549
2016-12-31	1373
2017-03-31	1353
2017-06-30	1995
2017-09-30	2117
2017-12-31	2298
2018-03-31	2363
2018-06-30	2221
2018-09-30	1895
2018-12-31	1738
2019-03-31	2794
2019-06-30	2246
2019-09-30	2867
2019-12-31	2874
2020-03-31	2560
2020-06-30	1803
2020-09-30	2989
2020-12-31	2202
2021-03-31	2750
2021-06-30	2091
2021-09-30	2019
2021-12-31	2158
2022-03-31	1847
2022-06-30	2140
2022-09-30	2077
2022-12-31	1762
2023-03-31	1798
2023-06-30	1110
2023-09-30	1143