Quarter	US dollars
2004-12-31	194
2005-03-31	185
2005-06-30	194
2005-09-30	251
2005-12-31	316
2006-03-31	271
2006-06-30	396
2006-09-30	372
2006-12-31	429
2007-03-31	561
2007-06-30	548
2007-09-30	346
2007-12-31	601
2008-03-31	624
2008-06-30	480
2008-09-30	494
2008-12-31	503
2009-03-31	562
2009-06-30	539
2009-09-30	529
2009-12-31	551
2010-03-31	413
2010-06-30	462
2010-09-30	334
2010-12-31	432
2011-03-31	364
2011-06-30	693
2011-09-30	394
2011-12-31	404
2012-03-31	465
2012-06-30	466
2012-09-30	633
2012-12-31	532
2013-03-31	592
2013-06-30	705
2013-09-30	693
2013-12-31	640
2014-03-31	595
2014-06-30	592
2014-09-30	634
2014-12-31	646
2015-03-31	658
2015-06-30	1206
2015-09-30	1121
2015-12-31	597
2016-03-31	687
2016-06-30	623
2016-09-30	576
2016-12-31	570
2017-03-31	592
2017-06-30	474
2017-09-30	1024
2017-12-31	890
2018-03-31	1434
2018-06-30	817
2018-09-30	915
2018-12-31	858
2019-03-31	1037
2019-06-30	1095
2019-09-30	1142
2019-12-31	1122
2020-03-31	1222
2020-06-30	1147
2020-09-30	1192
2020-12-31	1172
2021-03-31	1229
2021-06-30	1158
2021-09-30	1154
2021-12-31	1275
2022-03-31	1504
2022-06-30	1356
2022-09-30	1208
2022-12-31	1366
2023-03-31	1475
2023-06-30	1404
2023-09-30	1357