Quarter	US dollars
2004-12-31	217
2005-03-31	280
2005-06-30	267
2005-09-30	327
2005-12-31	355
2006-03-31	349
2006-06-30	396
2006-09-30	351
2006-12-31	337
2007-03-31	412
2007-06-30	357
2007-09-30	367
2007-12-31	569
2008-03-31	392
2008-06-30	398
2008-09-30	362
2008-12-31	367
2009-03-31	374
2009-06-30	347
2009-09-30	419
2009-12-31	588
2010-03-31	614
2010-06-30	678
2010-09-30	561
2010-12-31	678
2011-03-31	636
2011-06-30	727
2011-09-30	703
2011-12-31	652
2012-03-31	802
2012-06-30	809
2012-09-30	795
2012-12-31	684
2013-03-31	1151
2013-06-30	1260
2013-09-30	1244
2013-12-31	1385
2014-03-31	1331
2014-06-30	1364
2014-09-30	1265
2014-12-31	1233
2015-03-31	1308
2015-06-30	1362
2015-09-30	1746
2015-12-31	1592
2016-03-31	1760
2016-06-30	1656
2016-09-30	1890
2016-12-31	2676
2017-03-31	2660
2017-06-30	2436
2017-09-30	2380
2017-12-31	2303
2018-03-31	2501
2018-06-30	2557
2018-09-30	1176
2018-12-31	2523
2019-03-31	2730
2019-06-30	3274
2019-09-30	3479
2019-12-31	3618
2020-03-31	4145
2020-06-30	3412
2020-09-30	3511
2020-12-31	3303
2021-03-31	3241
2021-06-30	3557
2021-09-30	3530
2021-12-31	3434
2022-03-31	3776
2022-06-30	4142
2022-09-30	4251
2022-12-31	3890
2023-03-31	4481
2023-06-30	3806
2023-09-30	4166