Quarter	US dollars
2004-12-31	219
2005-03-31	142
2005-06-30	151
2005-09-30	412
2005-12-31	179
2006-03-31	177
2006-06-30	277
2006-09-30	333
2006-12-31	252
2007-03-31	212
2007-06-30	215
2007-09-30	228
2007-12-31	207
2008-03-31	233
2008-06-30	169
2008-09-30	153
2008-12-31	247
2009-03-31	186
2009-06-30	163
2009-09-30	120
2009-12-31	275
2010-03-31	344
2010-06-30	310
2010-09-30	388
2010-12-31	449
2011-03-31	313
2011-06-30	512
2011-09-30	414
2011-12-31	388
2012-03-31	300
2012-06-30	257
2012-09-30	223
2012-12-31	310
2013-03-31	594
2013-06-30	453
2013-09-30	434
2013-12-31	226
2014-03-31	402
2014-06-30	409
2014-09-30	261
2014-12-31	192
2015-03-31	273
2015-06-30	327
2015-09-30	227
2015-12-31	240
2016-03-31	243
2016-06-30	246
2016-09-30	216
2016-12-31	130
2017-03-31	159
2017-06-30	381
2017-09-30	157
2017-12-31	285
2018-03-31	241
2018-06-30	264
2018-09-30	181
2018-12-31	161
2019-03-31	284
2019-06-30	283
2019-09-30	248
2019-12-31	276
2020-03-31	275
2020-06-30	237
2020-09-30	308
2020-12-31	414
2021-03-31	593
2021-06-30	645
2021-09-30	550
2021-12-31	342
2022-03-31	420
2022-06-30	465
2022-09-30	666
2022-12-31	520
2023-03-31	546
2023-06-30	741
2023-09-30	647