Quarter	US dollars
2004-12-31	926352
2005-03-31	1002392
2005-06-30	1013661
2005-09-30	1077111
2005-12-31	1067851
2006-03-31	1175911
2006-06-30	1206587
2006-09-30	1276257
2006-12-31	1286183
2007-03-31	1431368
2007-06-30	1455152
2007-09-30	1599064
2007-12-31	1557445
2008-03-31	1749735
2008-06-30	1656332
2008-09-30	1821866
2008-12-31	1501005
2009-03-31	1521032
2009-06-30	1533671
2009-09-30	1517010
2009-12-31	1485492
2010-03-31	1618941
2010-06-30	1635579
2010-09-30	1624830
2010-12-31	1562119
2011-03-31	1590025
2011-06-30	1609172
2011-09-30	1605185
2011-12-31	1560282
2012-03-31	1747078
2012-06-30	1656479
2012-09-30	1613002
2012-12-31	1598404
2013-03-31	1451632
2013-06-30	1481367
2013-09-30	1426790
2013-12-31	1338432
2014-03-31	1349944
2014-06-30	1300745
2014-09-30	1245495
2014-12-31	1208532
2015-03-31	1140211
2015-06-30	1115013
2015-09-30	956510
2015-12-31	920740
2016-03-31	970521
2016-06-30	1090840
2016-09-30	1046554
2016-12-31	1011961
2017-03-31	1096586
2017-06-30	1129492
2017-09-30	1209721
2017-12-31	1202549
2018-03-31	1170923
2018-06-30	1121691
2018-09-30	1141643
2018-12-31	1109572
2019-03-31	1127862
2019-06-30	1054189
2019-09-30	1010939
2019-12-31	1013951
2020-03-31	1152846
2020-06-30	1148398
2020-09-30	1192055
2020-12-31	1120811
2021-03-31	1161376
2021-06-30	1265120
2021-09-30	1292575
2021-12-31	1240326
2022-03-31	1276315
2022-06-30	1252142
2022-09-30	1215450
2022-12-31	1201573
2023-03-31	1276585
2023-06-30	1348457
2023-09-30	1298457