Quarter	US dollars
2004-12-31	296
2005-03-31	431
2005-06-30	332
2005-09-30	315
2005-12-31	972
2006-03-31	990
2006-06-30	1100
2006-09-30	986
2006-12-31	1256
2007-03-31	1473
2007-06-30	253
2007-09-30	352
2007-12-31	675
2008-03-31	1232
2008-06-30	904
2008-09-30	763
2008-12-31	377
2009-03-31	883
2009-06-30	772
2009-09-30	862
2009-12-31	898
2010-03-31	843
2010-06-30	742
2010-09-30	810
2010-12-31	1423
2011-03-31	2079
2011-06-30	1724
2011-09-30	1935
2011-12-31	1027
2012-03-31	1576
2012-06-30	1740
2012-09-30	1854
2012-12-31	1662
2013-03-31	2093
2013-06-30	2390
2013-09-30	3441
2013-12-31	3030
2014-03-31	3081
2014-06-30	2732
2014-09-30	3004
2014-12-31	3354
2015-03-31	1897
2015-06-30	1887
2015-09-30	1624
2015-12-31	1177
2016-03-31	1353
2016-06-30	1168
2016-09-30	1238
2016-12-31	1223
2017-03-31	1460
2017-06-30	1296
2017-09-30	2055
2017-12-31	1806
2018-03-31	1857
2018-06-30	1885
2018-09-30	1613
2018-12-31	2771
2019-03-31	3244
2019-06-30	2920
2019-09-30	3349
2019-12-31	2779
2020-03-31	2158
2020-06-30	1949
2020-09-30	1860
2020-12-31	2832
2021-03-31	1140
2021-06-30	1477
2021-09-30	789
2021-12-31	1985
2022-03-31	1849
2022-06-30	2104
2022-09-30	2791
2022-12-31	2710
2023-03-31	3028
2023-06-30	2963
2023-09-30	3104