Quarter	US dollars
2004-12-31	910311
2005-03-31	977399
2005-06-30	935802
2005-09-30	1022165
2005-12-31	919222
2006-03-31	1080131
2006-06-30	1120626
2006-09-30	1211599
2006-12-31	1232095
2007-03-31	1430317
2007-06-30	1401603
2007-09-30	1558695
2007-12-31	1499377
2008-03-31	1672294
2008-06-30	1526795
2008-09-30	1524679
2008-12-31	1331474
2009-03-31	1237092
2009-06-30	1266020
2009-09-30	1261346
2009-12-31	1162989
2010-03-31	1185592
2010-06-30	1144771
2010-09-30	1256104
2010-12-31	1184316
2011-03-31	1186451
2011-06-30	1187190
2011-09-30	1214769
2011-12-31	1117785
2012-03-31	1152749
2012-06-30	1073046
2012-09-30	1087060
2012-12-31	1066761
2013-03-31	1028425
2013-06-30	1016597
2013-09-30	1044265
2013-12-31	1006980
2014-03-31	1011436
2014-06-30	1016490
2014-09-30	952085
2014-12-31	934805
2015-03-31	937422
2015-06-30	876920
2015-09-30	877029
2015-12-31	826745
2016-03-31	831862
2016-06-30	839582
2016-09-30	796880
2016-12-31	752878
2017-03-31	812694
2017-06-30	877343
2017-09-30	878857
2017-12-31	932630
2018-03-31	1059616
2018-06-30	1043445
2018-09-30	1013524
2018-12-31	981697
2019-03-31	1062348
2019-06-30	1095877
2019-09-30	1129680
2019-12-31	1101460
2020-03-31	1204021
2020-06-30	1171873
2020-09-30	1223942
2020-12-31	1302827
2021-03-31	1305615
2021-06-30	1255778
2021-09-30	1277822
2021-12-31	1307402
2022-03-31	1321209
2022-06-30	1239173
2022-09-30	1227016
2022-12-31	1290710
2023-03-31	1351514
2023-06-30	1432508
2023-09-30	1477165