Quarter	US dollars
2004-12-31	2216
2005-03-31	2480
2005-06-30	1289
2005-09-30	1583
2005-12-31	1632
2006-03-31	2435
2006-06-30	2362
2006-09-30	1992
2006-12-31	2618
2007-03-31	1777
2007-06-30	2081
2007-09-30	2944
2007-12-31	2825
2008-03-31	2111
2008-06-30	1974
2008-09-30	1474
2008-12-31	887
2009-03-31	954
2009-06-30	706
2009-09-30	776
2009-12-31	673
2010-03-31	642
2010-06-30	651
2010-09-30	712
2010-12-31	687
2011-03-31	688
2011-06-30	475
2011-09-30	347
2011-12-31	918
2012-03-31	1072
2012-06-30	951
2012-09-30	853
2012-12-31	325
2013-03-31	425
2013-06-30	414
2013-09-30	400
2013-12-31	269
2014-03-31	268
2014-06-30	280
2014-09-30	227
2014-12-31	323
2015-03-31	422
2015-06-30	294
2015-09-30	233
2015-12-31	68
2016-03-31	96
2016-06-30	89
2016-09-30	70
2016-12-31	103
2017-03-31	143
2017-06-30	495
2017-09-30	668
2017-12-31	439
2018-03-31	476
2018-06-30	626
2018-09-30	503
2018-12-31	544
2019-03-31	405
2019-06-30	398
2019-09-30	398
2019-12-31	354
2020-03-31	351
2020-06-30	341
2020-09-30	283
2020-12-31	358
2021-03-31	381
2021-06-30	474
2021-09-30	449
2021-12-31	482
2022-03-31	478
2022-06-30	409
2022-09-30	448
2022-12-31	486
2023-03-31	384
2023-06-30	248
2023-09-30	313