Quarter	US dollars
2004-12-31	395
2005-03-31	442
2005-06-30	480
2005-09-30	511
2005-12-31	623
2006-03-31	820
2006-06-30	819
2006-09-30	951
2006-12-31	906
2007-03-31	998
2007-06-30	1027
2007-09-30	1273
2007-12-31	1437
2008-03-31	1628
2008-06-30	1733
2008-09-30	1864
2008-12-31	1586
2009-03-31	1525
2009-06-30	1696
2009-09-30	1818
2009-12-31	1263
2010-03-31	1630
2010-06-30	1797
2010-09-30	1758
2010-12-31	1569
2011-03-31	1908
2011-06-30	1553
2011-09-30	2025
2011-12-31	1930
2012-03-31	1795
2012-06-30	1939
2012-09-30	2061
2012-12-31	1521
2013-03-31	1580
2013-06-30	1905
2013-09-30	1956
2013-12-31	2421
2014-03-31	2561
2014-06-30	2790
2014-09-30	2972
2014-12-31	2819
2015-03-31	2926
2015-06-30	2883
2015-09-30	2305
2015-12-31	1990
2016-03-31	1809
2016-06-30	1625
2016-09-30	1652
2016-12-31	1666
2017-03-31	1920
2017-06-30	3107
2017-09-30	2758
2017-12-31	2757
2018-03-31	2492
2018-06-30	2419
2018-09-30	2354
2018-12-31	2353
2019-03-31	2864
2019-06-30	3130
2019-09-30	3254
2019-12-31	3099
2020-03-31	2823
2020-06-30	3038
2020-09-30	2852
2020-12-31	3056
2021-03-31	3507
2021-06-30	2854
2021-09-30	2946
2021-12-31	2600
2022-03-31	2997
2022-06-30	3027
2022-09-30	2735
2022-12-31	2846
2023-03-31	2776
2023-06-30	1626
2023-09-30	1824