Quarter	US dollars
2004-12-31	2216
2005-03-31	2563
2005-06-30	505
2005-09-30	2839
2005-12-31	2838
2006-03-31	3294
2006-06-30	3425
2006-09-30	3817
2006-12-31	1268
2007-03-31	1153
2007-06-30	1489
2007-09-30	2168
2007-12-31	2895
2008-03-31	2890
2008-06-30	2876
2008-09-30	3423
2008-12-31	3365
2009-03-31	3067
2009-06-30	9306
2009-09-30	9565
2009-12-31	9547
2010-03-31	9250
2010-06-30	9294
2010-09-30	9576
2010-12-31	9186
2011-03-31	9094
2011-06-30	9947
2011-09-30	8988
2011-12-31	8044
2012-03-31	8305
2012-06-30	8364
2012-09-30	8968
2012-12-31	9770
2013-03-31	10484
2013-06-30	8457
2013-09-30	11175
2013-12-31	11748
2014-03-31	12295
2014-06-30	12248
2014-09-30	12772
2014-12-31	13039
2015-03-31	12825
2015-06-30	10644
2015-09-30	11631
2015-12-31	11457
2016-03-31	11925
2016-06-30	11087
2016-09-30	17030
2016-12-31	14248
2017-03-31	15435
2017-06-30	12408
2017-09-30	11950
2017-12-31	11044
2018-03-31	18062
2018-06-30	18145
2018-09-30	17352
2018-12-31	17942
2019-03-31	19987
2019-06-30	18599
2019-09-30	17420
2019-12-31	17061
2020-03-31	19599
2020-06-30	17335
2020-09-30	19573
2020-12-31	19979
2021-03-31	26028
2021-06-30	27527
2021-09-30	27886
2021-12-31	30075
2022-03-31	26262
2022-06-30	26659
2022-09-30	25538
2022-12-31	29545
2023-03-31	31726
2023-06-30	33684
2023-09-30	35871