Quarter	US dollars
2004-12-31	284
2005-03-31	331
2005-06-30	212
2005-09-30	350
2005-12-31	350
2006-03-31	605
2006-06-30	618
2006-09-30	514
2006-12-31	597
2007-03-31	737
2007-06-30	592
2007-09-30	3828
2007-12-31	4149
2008-03-31	4418
2008-06-30	4516
2008-09-30	1522
2008-12-31	1491
2009-03-31	1422
2009-06-30	998
2009-09-30	1067
2009-12-31	1347
2010-03-31	1286
2010-06-30	1673
2010-09-30	1750
2010-12-31	1151
2011-03-31	1515
2011-06-30	1626
2011-09-30	2198
2011-12-31	1954
2012-03-31	2119
2012-06-30	2080
2012-09-30	2537
2012-12-31	2634
2013-03-31	3353
2013-06-30	2700
2013-09-30	2575
2013-12-31	1949
2014-03-31	944
2014-06-30	998
2014-09-30	918
2014-12-31	1054
2015-03-31	1044
2015-06-30	823
2015-09-30	1181
2015-12-31	1061
2016-03-31	1139
2016-06-30	1234
2016-09-30	1189
2016-12-31	1882
2017-03-31	1181
2017-06-30	2768
2017-09-30	2892
2017-12-31	3211
2018-03-31	3296
2018-06-30	4010
2018-09-30	3147
2018-12-31	3164
2019-03-31	3229
2019-06-30	3097
2019-09-30	3849
2019-12-31	3448
2020-03-31	3029
2020-06-30	3501
2020-09-30	3049
2020-12-31	2761
2021-03-31	2395
2021-06-30	2414
2021-09-30	2310
2021-12-31	2217
2022-03-31	2368
2022-06-30	2449
2022-09-30	2371
2022-12-31	2191
2023-03-31	2548
2023-06-30	2412
2023-09-30	2600