Quarter	US dollars
2004-12-31	71
2005-03-31	98
2005-06-30	138
2005-09-30	104
2005-12-31	235
2006-03-31	297
2006-06-30	276
2006-09-30	359
2006-12-31	239
2007-03-31	222
2007-06-30	199
2007-09-30	281
2007-12-31	621
2008-03-31	308
2008-06-30	665
2008-09-30	1041
2008-12-31	559
2009-03-31	315
2009-06-30	636
2009-09-30	470
2009-12-31	299
2010-03-31	291
2010-06-30	380
2010-09-30	279
2010-12-31	354
2011-03-31	224
2011-06-30	427
2011-09-30	491
2011-12-31	577
2012-03-31	583
2012-06-30	557
2012-09-30	657
2012-12-31	461
2013-03-31	674
2013-06-30	965
2013-09-30	696
2013-12-31	1195
2014-03-31	1147
2014-06-30	1142
2014-09-30	884
2014-12-31	1071
2015-03-31	872
2015-06-30	755
2015-09-30	510
2015-12-31	501
2016-03-31	393
2016-06-30	412
2016-09-30	340
2016-12-31	155
2017-03-31	140
2017-06-30	688
2017-09-30	529
2017-12-31	312
2018-03-31	345
2018-06-30	669
2018-09-30	364
2018-12-31	470
2019-03-31	305
2019-06-30	302
2019-09-30	260
2019-12-31	517
2020-03-31	542
2020-06-30	341
2020-09-30	271
2020-12-31	284
2021-03-31	203
2021-06-30	695
2021-09-30	653
2021-12-31	136
2022-03-31	153
2022-06-30	255
2022-09-30	427
2022-12-31	410
2023-03-31	260
2023-06-30	178
2023-09-30	168