Quarter	US dollars
2004-12-31	280
2005-03-31	291
2005-06-30	280
2005-09-30	347
2005-12-31	233
2006-03-31	288
2006-06-30	277
2006-09-30	217
2006-12-31	204
2007-03-31	279
2007-06-30	269
2007-09-30	318
2007-12-31	241
2008-03-31	298
2008-06-30	219
2008-09-30	148
2008-12-31	157
2009-03-31	196
2009-06-30	374
2009-09-30	189
2009-12-31	349
2010-03-31	403
2010-06-30	2735
2010-09-30	1130
2010-12-31	1047
2011-03-31	1119
2011-06-30	891
2011-09-30	1140
2011-12-31	863
2012-03-31	684
2012-06-30	1073
2012-09-30	2216
2012-12-31	2134
2013-03-31	1902
2013-06-30	2137
2013-09-30	2742
2013-12-31	1810
2014-03-31	1642
2014-06-30	1552
2014-09-30	1417
2014-12-31	1455
2015-03-31	1618
2015-06-30	1442
2015-09-30	1510
2015-12-31	1768
2016-03-31	1695
2016-06-30	1665
2016-09-30	1891
2016-12-31	1359
2017-03-31	1550
2017-06-30	1552
2017-09-30	1418
2017-12-31	1700
2018-03-31	1691
2018-06-30	1451
2018-09-30	1797
2018-12-31	2616
2019-03-31	2984
2019-06-30	3108
2019-09-30	3048
2019-12-31	3495
2020-03-31	5937
2020-06-30	3435
2020-09-30	2803
2020-12-31	3580
2021-03-31	3245
2021-06-30	2778
2021-09-30	2530
2021-12-31	2287
2022-03-31	2124
2022-06-30	1325
2022-09-30	1490
2022-12-31	2129
2023-03-31	2718
2023-06-30	2933
2023-09-30	3012