Quarter	US dollars
2004-12-31	177
2005-03-31	217
2005-06-30	823
2005-09-30	1137
2005-12-31	1608
2006-03-31	2723
2006-06-30	1731
2006-09-30	1919
2006-12-31	1669
2007-03-31	2522
2007-06-30	1768
2007-09-30	3058
2007-12-31	2057
2008-03-31	3470
2008-06-30	2026
2008-09-30	2087
2008-12-31	1895
2009-03-31	1949
2009-06-30	2426
2009-09-30	2469
2009-12-31	2773
2010-03-31	3906
2010-06-30	2138
2010-09-30	2106
2010-12-31	1515
2011-03-31	2813
2011-06-30	2391
2011-09-30	2667
2011-12-31	1378
2012-03-31	1167
2012-06-30	1652
2012-09-30	2103
2012-12-31	1982
2013-03-31	2880
2013-06-30	3278
2013-09-30	2259
2013-12-31	2583
2014-03-31	2698
2014-06-30	3219
2014-09-30	3330
2014-12-31	2681
2015-03-31	2506
2015-06-30	2367
2015-09-30	1954
2015-12-31	2341
2016-03-31	2555
2016-06-30	2088
2016-09-30	2907
2016-12-31	2547
2017-03-31	2550
2017-06-30	1722
2017-09-30	2638
2017-12-31	2584
2018-03-31	2936
2018-06-30	2101
2018-09-30	1354
2018-12-31	1341
2019-03-31	2441
2019-06-30	1324
2019-09-30	1485
2019-12-31	2009
2020-03-31	1981
2020-06-30	2656
2020-09-30	2390
2020-12-31	2793
2021-03-31	3119
2021-06-30	2814
2021-09-30	2745
2021-12-31	3485
2022-03-31	3347
2022-06-30	3853
2022-09-30	3251
2022-12-31	3822
2023-03-31	4654
2023-06-30	3581
2023-09-30	3796