Quarter	US dollars
2004-12-31	300
2005-03-31	340
2005-06-30	323
2005-09-30	331
2005-12-31	326
2006-03-31	524
2006-06-30	1039
2006-09-30	1334
2006-12-31	1474
2007-03-31	1338
2007-06-30	1423
2007-09-30	1247
2007-12-31	1378
2008-03-31	1302
2008-06-30	1773
2008-09-30	1189
2008-12-31	1530
2009-03-31	1328
2009-06-30	1135
2009-09-30	896
2009-12-31	1025
2010-03-31	1329
2010-06-30	1329
2010-09-30	1190
2010-12-31	1137
2011-03-31	2108
2011-06-30	2749
2011-09-30	2237
2011-12-31	2087
2012-03-31	1795
2012-06-30	1280
2012-09-30	2343
2012-12-31	2131
2013-03-31	1983
2013-06-30	2237
2013-09-30	1890
2013-12-31	1676
2014-03-31	1754
2014-06-30	1670
2014-09-30	1569
2014-12-31	913
2015-03-31	1299
2015-06-30	824
2015-09-30	1289
2015-12-31	1261
2016-03-31	1324
2016-06-30	743
2016-09-30	1182
2016-12-31	1230
2017-03-31	1251
2017-06-30	1393
2017-09-30	1672
2017-12-31	2193
2018-03-31	1831
2018-06-30	3029
2018-09-30	2531
2018-12-31	1954
2019-03-31	1828
2019-06-30	1886
2019-09-30	2641
2019-12-31	1716
2020-03-31	2051
2020-06-30	2951
2020-09-30	1904
2020-12-31	1600
2021-03-31	3169
2021-06-30	4816
2021-09-30	4520
2021-12-31	4280
2022-03-31	5140
2022-06-30	4849
2022-09-30	3728
2022-12-31	6008
2023-03-31	5019
2023-06-30	5947
2023-09-30	6578