Quarter	US dollars
2004-12-31	662
2005-03-31	822
2005-06-30	936
2005-09-30	1065
2005-12-31	1255
2006-03-31	1311
2006-06-30	1332
2006-09-30	1332
2006-12-31	1495
2007-03-31	1598
2007-06-30	1653
2007-09-30	1779
2007-12-31	1893
2008-03-31	2238
2008-06-30	2054
2008-09-30	1823
2008-12-31	1867
2009-03-31	2006
2009-06-30	1856
2009-09-30	1961
2009-12-31	1860
2010-03-31	1888
2010-06-30	1611
2010-09-30	1585
2010-12-31	1411
2011-03-31	90
2011-06-30	111
2011-09-30	76
2011-12-31	198
2012-03-31	82
2012-06-30	78
2012-09-30	65
2012-12-31	94
2013-03-31	897
2013-06-30	642
2013-09-30	243
2013-12-31	955
2014-03-31	919
2014-06-30	1137
2014-09-30	1098
2014-12-31	242
2015-03-31	278
2015-06-30	198
2015-09-30	771
2015-12-31	473
2016-03-31	457
2016-06-30	118
2016-09-30	121
2016-12-31	165
2017-03-31	248
2017-06-30	229
2017-09-30	168
2017-12-31	658
2018-03-31	203
2018-06-30	462
2018-09-30	616
2018-12-31	686
2019-03-31	369
2019-06-30	1573
2019-09-30	906
2019-12-31	728
2020-03-31	370
2020-06-30	74
2020-09-30	220
2020-12-31	124
2021-03-31	190
2021-06-30	258
2021-09-30	410
2021-12-31	170
2022-03-31	534
2022-06-30	306
2022-09-30	211
2022-12-31	171
2023-03-31	265
2023-06-30	263
2023-09-30	139