Quarter	US dollars
2004-12-31	933
2005-03-31	1333
2005-06-30	1032
2005-09-30	1243
2005-12-31	800
2006-03-31	746
2006-06-30	797
2006-09-30	809
2006-12-31	826
2007-03-31	973
2007-06-30	1011
2007-09-30	1259
2007-12-31	1398
2008-03-31	1610
2008-06-30	1558
2008-09-30	1697
2008-12-31	1015
2009-03-31	1211
2009-06-30	1224
2009-09-30	771
2009-12-31	1595
2010-03-31	1585
2010-06-30	1694
2010-09-30	1490
2010-12-31	1922
2011-03-31	1803
2011-06-30	1813
2011-09-30	2530
2011-12-31	2250
2012-03-31	2364
2012-06-30	2207
2012-09-30	2306
2012-12-31	2627
2013-03-31	2572
2013-06-30	2572
2013-09-30	3023
2013-12-31	2740
2014-03-31	2458
2014-06-30	2330
2014-09-30	2322
2014-12-31	2469
2015-03-31	2604
2015-06-30	1856
2015-09-30	1348
2015-12-31	1427
2016-03-31	1146
2016-06-30	1168
2016-09-30	1355
2016-12-31	1311
2017-03-31	1390
2017-06-30	1886
2017-09-30	1488
2017-12-31	1510
2018-03-31	1740
2018-06-30	1509
2018-09-30	1421
2018-12-31	1223
2019-03-31	1411
2019-06-30	1235
2019-09-30	1026
2019-12-31	1161
2020-03-31	982
2020-06-30	874
2020-09-30	737
2020-12-31	1157
2021-03-31	706
2021-06-30	643
2021-09-30	1048
2021-12-31	1566
2022-03-31	1306
2022-06-30	1738
2022-09-30	2177
2022-12-31	1885
2023-03-31	1873
2023-06-30	1693
2023-09-30	2394