Quarter	US dollars
1999-09-30	906
1999-12-31	859
2000-03-31	804
2000-06-30	666
2000-09-30	611
2000-12-31	602
2001-03-31	590
2001-06-30	481
2001-09-30	550
2001-12-31	610
2002-03-31	658
2002-06-30	554
2002-09-30	546
2002-12-31	657
2003-03-31	612
2003-06-30	597
2003-09-30	630
2003-12-31	861
2004-03-31	794
2004-06-30	769
2004-09-30	783
2004-12-31	885
2005-03-31	1110
2005-06-30	954
2005-09-30	1019
2005-12-31	1217
2006-03-31	1306
2006-06-30	1259
2006-09-30	1332
2006-12-31	1448
2007-03-31	1475
2007-06-30	1768
2007-09-30	1878
2007-12-31	1929
2008-03-31	2154
2008-06-30	1924
2008-09-30	1896
2008-12-31	1895
2009-03-31	1660
2009-06-30	1685
2009-09-30	1743
2009-12-31	2096
2010-03-31	2409
2010-06-30	2158
2010-09-30	2388
2010-12-31	2752
2011-03-31	2478
2011-06-30	2529
2011-09-30	2533
2011-12-31	2945
2012-03-31	2662
2012-06-30	2817
2012-09-30	3357
2012-12-31	3431
2013-03-31	3671
2013-06-30	3555
2013-09-30	3406
2013-12-31	3474
2014-03-31	3346
2014-06-30	3154
2014-09-30	3011
2014-12-31	2607
2015-03-31	2668
2015-06-30	2273
2015-09-30	2661
2015-12-31	2626
2016-03-31	2299
2016-06-30	2612
2016-09-30	2710
2016-12-31	2872
2017-03-31	3052
2017-06-30	2293
2017-09-30	2126
2017-12-31	2181
2018-03-31	2519
2018-06-30	2349
2018-09-30	2535
2018-12-31	2754
2019-03-31	3155
2019-06-30	2860
2019-09-30	2937
2019-12-31	2838
2020-03-31	2695
2020-06-30	2787
2020-09-30	3024
2020-12-31	2889
2021-03-31	2952
2021-06-30	3504
2021-09-30	3283
2021-12-31	3159
2022-03-31	3194
2022-06-30	2763
2022-09-30	2600
2022-12-31	2232
2023-03-31	2412
2023-06-30	1769
2023-09-30	1686