Quarter	US dollars
2004-12-31	1277
2005-03-31	1930
2005-06-30	1796
2005-09-30	1900
2005-12-31	2026
2006-03-31	2147
2006-06-30	2397
2006-09-30	1297
2006-12-31	1476
2007-03-31	322
2007-06-30	311
2007-09-30	240
2007-12-31	1400
2008-03-31	1427
2008-06-30	1309
2008-09-30	4129
2008-12-31	4034
2009-03-31	90
2009-06-30	97
2009-09-30	106
2009-12-31	475
2010-03-31	748
2010-06-30	607
2010-09-30	720
2010-12-31	1159
2011-03-31	930
2011-06-30	788
2011-09-30	854
2011-12-31	288
2012-03-31	647
2012-06-30	621
2012-09-30	606
2012-12-31	394
2013-03-31	2178
2013-06-30	1326
2013-09-30	1294
2013-12-31	1264
2014-03-31	1112
2014-06-30	1048
2014-09-30	995
2014-12-31	960
2015-03-31	711
2015-06-30	643
2015-09-30	594
2015-12-31	636
2016-03-31	526
2016-06-30	435
2016-09-30	588
2016-12-31	420
2017-03-31	318
2017-06-30	286
2017-09-30	301
2017-12-31	290
2018-03-31	299
2018-06-30	256
2018-09-30	56
2018-12-31	216
2019-03-31	276
2019-06-30	279
2019-09-30	521
2019-12-31	569
2020-03-31	864
2020-06-30	614
2020-09-30	589
2020-12-31	405
2021-03-31	388
2021-06-30	437
2021-09-30	359
2021-12-31	577
2022-03-31	503
2022-06-30	568
2022-09-30	1214
2022-12-31	416
2023-03-31	465
2023-06-30	1436
2023-09-30	1458