Quarter	US dollars
2004-12-31	177
2005-03-31	308
2005-06-30	231
2005-09-30	173
2005-12-31	170
2006-03-31	444
2006-06-30	599
2006-09-30	665
2006-12-31	951
2007-03-31	1340
2007-06-30	1196
2007-09-30	2416
2007-12-31	1298
2008-03-31	1383
2008-06-30	1867
2008-09-30	2215
2008-12-31	1363
2009-03-31	2680
2009-06-30	1383
2009-09-30	2085
2009-12-31	1520
2010-03-31	2616
2010-06-30	2554
2010-09-30	2212
2010-12-31	1919
2011-03-31	2841
2011-06-30	1564
2011-09-30	2416
2011-12-31	2131
2012-03-31	4743
2012-06-30	3272
2012-09-30	2660
2012-12-31	2320
2013-03-31	3492
2013-06-30	3469
2013-09-30	2772
2013-12-31	1714
2014-03-31	2476
2014-06-30	2802
2014-09-30	3075
2014-12-31	3204
2015-03-31	4839
2015-06-30	4720
2015-09-30	5268
2015-12-31	5544
2016-03-31	5351
2016-06-30	4758
2016-09-30	4369
2016-12-31	5133
2017-03-31	3351
2017-06-30	4996
2017-09-30	5751
2017-12-31	6473
2018-03-31	6988
2018-06-30	6505
2018-09-30	7306
2018-12-31	6585
2019-03-31	7082
2019-06-30	6890
2019-09-30	7091
2019-12-31	7522
2020-03-31	9487
2020-06-30	10652
2020-09-30	10521
2020-12-31	12098
2021-03-31	11481
2021-06-30	11778
2021-09-30	11886
2021-12-31	10996
2022-03-31	11542
2022-06-30	12047
2022-09-30	12291
2022-12-31	13156
2023-03-31	12270
2023-06-30	12063
2023-09-30	12343