Quarter	US dollars
2004-12-31	309
2005-03-31	333
2005-06-30	339
2005-09-30	414
2005-12-31	446
2006-03-31	453
2006-06-30	547
2006-09-30	588
2006-12-31	523
2007-03-31	490
2007-06-30	552
2007-09-30	750
2007-12-31	759
2008-03-31	827
2008-06-30	852
2008-09-30	945
2008-12-31	1049
2009-03-31	1124
2009-06-30	1120
2009-09-30	1129
2009-12-31	1067
2010-03-31	1089
2010-06-30	1079
2010-09-30	1030
2010-12-31	1165
2011-03-31	1311
2011-06-30	1419
2011-09-30	1162
2011-12-31	1143
2012-03-31	1165
2012-06-30	1216
2012-09-30	1379
2012-12-31	1342
2013-03-31	1312
2013-06-30	1380
2013-09-30	1527
2013-12-31	1602
2014-03-31	1727
2014-06-30	1824
2014-09-30	1910
2014-12-31	1996
2015-03-31	2093
2015-06-30	2098
2015-09-30	2287
2015-12-31	2476
2016-03-31	2565
2016-06-30	2651
2016-09-30	2892
2016-12-31	2869
2017-03-31	2952
2017-06-30	2893
2017-09-30	2935
2017-12-31	2713
2018-03-31	2738
2018-06-30	2718
2018-09-30	2392
2018-12-31	2533
2019-03-31	2654
2019-06-30	2772
2019-09-30	2427
2019-12-31	2262
2020-03-31	2259
2020-06-30	2268
2020-09-30	2226
2020-12-31	2142
2021-03-31	2474
2021-06-30	2230
2021-09-30	2480
2021-12-31	2582
2022-03-31	2273
2022-06-30	2134
2022-09-30	2078
2022-12-31	1986
2023-03-31	1989
2023-06-30	2034
2023-09-30	1984