Quarter	US dollars
2004-12-31	635
2005-03-31	652
2005-06-30	626
2005-09-30	743
2005-12-31	627
2006-03-31	735
2006-06-30	1313
2006-09-30	1141
2006-12-31	959
2007-03-31	932
2007-06-30	891
2007-09-30	958
2007-12-31	940
2008-03-31	1530
2008-06-30	1399
2008-09-30	2065
2008-12-31	1544
2009-03-31	1294
2009-06-30	1189
2009-09-30	875
2009-12-31	961
2010-03-31	1216
2010-06-30	1746
2010-09-30	1755
2010-12-31	1356
2011-03-31	1250
2011-06-30	1636
2011-09-30	1435
2011-12-31	1481
2012-03-31	1323
2012-06-30	1349
2012-09-30	1860
2012-12-31	1808
2013-03-31	1752
2013-06-30	1679
2013-09-30	5111
2013-12-31	1883
2014-03-31	1997
2014-06-30	2214
2014-09-30	1962
2014-12-31	1990
2015-03-31	1743
2015-06-30	1692
2015-09-30	1586
2015-12-31	1335
2016-03-31	1139
2016-06-30	1168
2016-09-30	1090
2016-12-31	1046
2017-03-31	1087
2017-06-30	907
2017-09-30	922
2017-12-31	890
2018-03-31	822
2018-06-30	790
2018-09-30	835
2018-12-31	796
2019-03-31	937
2019-06-30	882
2019-09-30	1051
2019-12-31	946
2020-03-31	656
2020-06-30	758
2020-09-30	839
2020-12-31	758
2021-03-31	731
2021-06-30	661
2021-09-30	525
2021-12-31	451
2022-03-31	712
2022-06-30	726
2022-09-30	1045
2022-12-31	1320
2023-03-31	1476
2023-06-30	1294
2023-09-30	1153