Quarter	US dollars
2004-12-31	1179
2005-03-31	1170
2005-06-30	1135
2005-09-30	1217
2005-12-31	1137
2006-03-31	1330
2006-06-30	1696
2008-06-30	2993
2008-12-31	2500
2009-09-30	2325
2009-12-31	2516
2010-03-31	2565
2010-06-30	2388
2010-09-30	2609
2012-03-31	2822
2012-06-30	2742
2012-12-31	2852
2013-03-31	2528
2013-06-30	2459
2013-12-31	2497
2014-03-31	2611
2014-09-30	2728
2015-03-31	2674
2015-06-30	2262
2015-09-30	2096
2015-12-31	1876
2016-03-31	1863
2016-06-30	1688
2016-09-30	1619
2016-12-31	1296
2017-03-31	1192
2017-06-30	1005
2017-09-30	1245
2017-12-31	1432
2018-03-31	1462
2018-06-30	1304
2018-09-30	1410
2018-12-31	1391
2019-03-31	1010
2019-06-30	1245
2019-09-30	1305
2019-12-31	1259
2020-03-31	1353
2020-06-30	1296
2020-09-30	1343
2020-12-31	1166
2021-03-31	1180
2021-06-30	1249
2021-09-30	1192
2021-12-31	1407
2022-03-31	1154
2022-06-30	1356
2022-09-30	1491
2022-12-31	1560
2023-03-31	1340
2023-06-30	1030
2023-09-30	886