Quarter	US dollars
2004-12-31	154
2005-03-31	132
2005-06-30	131
2005-09-30	41
2005-12-31	141
2006-03-31	127
2006-06-30	129
2006-09-30	140
2006-12-31	123
2007-03-31	20
2007-06-30	154
2007-09-30	181
2007-12-31	279
2008-03-31	300
2008-06-30	400
2008-09-30	342
2008-12-31	299
2009-03-31	314
2009-06-30	310
2009-09-30	283
2009-12-31	194
2010-03-31	302
2010-06-30	266
2010-09-30	304
2010-12-31	290
2011-03-31	301
2011-06-30	337
2011-09-30	335
2011-12-31	298
2012-03-31	133
2012-06-30	111
2012-09-30	184
2012-12-31	149
2013-03-31	114
2013-06-30	303
2013-09-30	324
2013-12-31	334
2014-03-31	183
2014-06-30	195
2014-09-30	180
2014-12-31	225
2015-03-31	264
2015-06-30	236
2015-09-30	403
2015-12-31	391
2016-03-31	416
2016-06-30	364
2016-09-30	355
2016-12-31	480
2017-03-31	318
2017-06-30	259
2017-09-30	276
2017-12-31	240
2018-03-31	233
2018-06-30	214
2018-09-30	177
2018-12-31	186
2019-03-31	224
2019-06-30	204
2019-09-30	181
2019-12-31	190
2020-03-31	190
2020-06-30	381
2020-09-30	288
2020-12-31	261
2021-03-31	288
2021-06-30	271
2021-09-30	260
2021-12-31	284
2022-03-31	254
2022-06-30	298
2022-09-30	427
2022-12-31	276
2023-03-31	304
2023-06-30	309
2023-09-30	292