Quarter	US dollars
2004-12-31	223
2005-03-31	210
2005-06-30	217
2005-09-30	205
2005-12-31	216
2006-03-31	69
2006-06-30	98
2006-09-30	52
2006-12-31	16
2007-03-31	96
2007-06-30	38
2007-09-30	35
2007-12-31	52
2008-03-31	80
2008-06-30	90
2008-09-30	75
2008-12-31	95
2009-03-31	72
2009-06-30	69
2009-09-30	114
2009-12-31	86
2010-03-31	115
2010-06-30	171
2010-09-30	320
2010-12-31	180
2011-03-31	236
2011-06-30	331
2011-09-30	148
2011-12-31	152
2012-03-31	230
2012-06-30	268
2012-09-30	522
2012-12-31	333
2013-03-31	328
2013-06-30	534
2013-09-30	371
2013-12-31	286
2014-03-31	408
2014-06-30	679
2014-09-30	315
2014-12-31	225
2015-03-31	224
2015-06-30	131
2015-09-30	192
2015-12-31	199
2016-03-31	237
2016-06-30	365
2016-09-30	365
2016-12-31	518
2017-03-31	460
2017-06-30	157
2017-09-30	255
2017-12-31	559
2018-03-31	382
2018-06-30	372
2018-09-30	301
2018-12-31	327
2019-03-31	171
2019-06-30	253
2019-09-30	318
2019-12-31	304
2020-03-31	294
2020-06-30	232
2020-09-30	248
2020-12-31	246
2021-03-31	321
2021-06-30	195
2021-09-30	283
2021-12-31	253
2022-03-31	228
2022-06-30	109
2022-09-30	118
2022-12-31	59
2023-03-31	62
2023-06-30	100
2023-09-30	106