Quarter	US dollars
2004-12-31	171
2005-03-31	308
2005-06-30	319
2005-09-30	338
2005-12-31	264
2006-03-31	343
2006-06-30	272
2006-09-30	329
2006-12-31	341
2007-03-31	557
2007-06-30	712
2007-09-30	607
2007-12-31	637
2008-03-31	696
2008-06-30	655
2008-09-30	572
2008-12-31	595
2009-03-31	580
2009-06-30	611
2009-09-30	641
2009-12-31	815
2010-03-31	701
2010-06-30	2419
2010-09-30	3932
2010-12-31	1760
2011-03-31	1696
2011-06-30	1956
2011-09-30	2049
2011-12-31	1650
2012-03-31	1683
2012-06-30	2213
2012-09-30	1699
2012-12-31	1133
2013-03-31	1000
2013-06-30	899
2013-09-30	1074
2013-12-31	800
2014-03-31	657
2014-06-30	1672
2014-09-30	712
2014-12-31	624
2015-03-31	696
2015-06-30	604
2015-09-30	645
2015-12-31	691
2016-03-31	679
2016-06-30	1804
2016-09-30	1930
2016-12-31	1462
2017-03-31	1580
2017-06-30	1676
2017-09-30	1403
2017-12-31	1582
2018-03-31	1377
2018-06-30	1355
2018-09-30	1277
2018-12-31	1079
2019-03-31	1230
2019-06-30	463
2019-09-30	411
2019-12-31	399
2020-03-31	460
2020-06-30	512
2020-09-30	401
2020-12-31	419
2021-03-31	364
2021-06-30	283
2021-09-30	774
2021-12-31	431
2022-03-31	342
2022-06-30	310
2022-09-30	356
2022-12-31	352
2023-03-31	217
2023-06-30	304
2023-09-30	562