Quarter	US dollars
2004-12-31	248
2005-03-31	208
2005-06-30	315
2005-09-30	396
2005-12-31	343
2006-03-31	224
2006-06-30	263
2006-09-30	237
2006-12-31	421
2007-03-31	467
2007-06-30	544
2007-09-30	483
2007-12-31	661
2008-03-31	704
2008-06-30	804
2008-09-30	918
2008-12-31	788
2009-03-31	824
2009-06-30	680
2009-09-30	817
2009-12-31	924
2010-03-31	943
2010-06-30	992
2010-09-30	1331
2010-12-31	1306
2011-03-31	1417
2011-06-30	1848
2011-09-30	1260
2011-12-31	1045
2012-03-31	1208
2012-06-30	1172
2012-09-30	1282
2012-12-31	1006
2013-03-31	1122
2013-06-30	1298
2013-09-30	1491
2013-12-31	1273
2014-03-31	1292
2014-06-30	1686
2014-09-30	1561
2014-12-31	1381
2015-03-31	1357
2015-06-30	1927
2015-09-30	1524
2015-12-31	1387
2016-03-31	1359
2016-06-30	1932
2016-09-30	1971
2016-12-31	2000
2017-03-31	1899
2017-06-30	1915
2017-09-30	2185
2017-12-31	2098
2018-03-31	2532
2018-06-30	2281
2018-09-30	2517
2018-12-31	3003
2019-03-31	3476
2019-06-30	3409
2019-09-30	2405
2019-12-31	2210
2020-03-31	2166
2020-06-30	2259
2020-09-30	2253
2020-12-31	3053
2021-03-31	3787
2021-06-30	4021
2021-09-30	3669
2021-12-31	4322
2022-03-31	4183
2022-06-30	4368
2022-09-30	4562
2022-12-31	4486
2023-03-31	4354
2023-06-30	3283
2023-09-30	2076