Quarter	US dollars
2004-12-31	230
2005-03-31	174
2005-06-30	197
2005-09-30	251
2005-12-31	257
2006-03-31	239
2006-06-30	279
2006-09-30	424
2006-12-31	276
2007-03-31	482
2007-06-30	349
2007-09-30	247
2007-12-31	251
2008-03-31	314
2008-06-30	330
2008-09-30	335
2008-12-31	280
2009-03-31	235
2009-06-30	282
2009-09-30	371
2009-12-31	336
2010-03-31	296
2010-06-30	263
2010-09-30	282
2010-12-31	279
2011-03-31	263
2011-06-30	279
2011-09-30	224
2011-12-31	277
2012-03-31	401
2012-06-30	381
2012-09-30	192
2012-12-31	249
2013-03-31	197
2013-06-30	194
2013-09-30	143
2013-12-31	187
2014-03-31	213
2014-06-30	251
2014-09-30	250
2014-12-31	136
2015-03-31	68
2015-06-30	91
2015-09-30	94
2015-12-31	130
2016-03-31	204
2016-06-30	204
2016-09-30	127
2016-12-31	92
2017-03-31	316
2017-06-30	251
2017-09-30	354
2017-12-31	831
2018-03-31	509
2018-06-30	667
2018-09-30	409
2018-12-31	1211
2019-03-31	542
2019-06-30	564
2019-09-30	476
2019-12-31	982
2020-03-31	448
2020-06-30	368
2020-09-30	508
2020-12-31	292
2021-03-31	1116
2021-06-30	770
2021-09-30	635
2021-12-31	805
2022-03-31	707
2022-06-30	3662
2022-09-30	783
2022-12-31	533
2023-03-31	649
2023-06-30	454
2023-09-30	525