Quarter	US dollars
2004-12-31	219
2005-03-31	185
2005-06-30	199
2005-09-30	370
2005-12-31	410
2006-03-31	409
2006-06-30	374
2006-09-30	372
2006-12-31	370
2007-03-31	365
2007-06-30	544
2007-09-30	736
2007-12-31	715
2008-03-31	676
2008-06-30	905
2008-09-30	677
2008-12-31	615
2009-03-31	666
2009-06-30	466
2009-09-30	379
2009-12-31	407
2010-03-31	626
2010-06-30	687
2010-09-30	733
2010-12-31	625
2011-03-31	1016
2011-06-30	951
2011-09-30	681
2011-12-31	810
2012-03-31	1053
2012-06-30	806
2012-09-30	799
2012-12-31	1009
2013-03-31	1055
2013-06-30	1260
2013-09-30	1032
2013-12-31	668
2014-03-31	717
2014-06-30	542
2014-09-30	909
2014-12-31	1194
2015-03-31	1731
2015-06-30	1933
2015-09-30	1725
2015-12-31	1599
2016-03-31	1395
2016-06-30	1309
2016-09-30	1086
2016-12-31	925
2017-03-31	1470
2017-06-30	1480
2017-09-30	1619
2017-12-31	1755
2018-03-31	1958
2018-06-30	1598
2018-09-30	1496
2018-12-31	1457
2019-03-31	955
2019-06-30	1036
2019-09-30	891
2019-12-31	789
2020-03-31	716
2020-06-30	881
2020-09-30	689
2020-12-31	594
2021-03-31	418
2021-06-30	785
2021-09-30	628
2021-12-31	1027
2022-03-31	661
2022-06-30	474
2022-09-30	898
2022-12-31	1106
2023-03-31	1606
2023-06-30	1570
2023-09-30	823