Quarter	US dollars
2004-12-31	83
2005-03-31	198
2005-06-30	168
2005-09-30	203
2005-12-31	196
2006-03-31	186
2006-06-30	233
2006-09-30	303
2006-12-31	284
2007-03-31	294
2007-06-30	307
2007-09-30	306
2007-12-31	309
2008-03-31	356
2008-06-30	358
2008-09-30	388
2008-12-31	411
2009-03-31	368
2009-06-30	448
2009-09-30	424
2009-12-31	441
2010-03-31	423
2010-06-30	108
2010-09-30	113
2010-12-31	117
2011-03-31	106
2011-06-30	116
2011-09-30	235
2011-12-31	212
2012-03-31	224
2012-06-30	264
2012-09-30	912
2012-12-31	926
2013-03-31	1450
2013-06-30	1506
2015-03-31	1329
2015-06-30	1345
2015-09-30	1303
2015-12-31	1288
2016-03-31	1283
2016-06-30	1223
2016-09-30	1219
2016-12-31	1342
2017-03-31	1463
2017-06-30	1247
2017-09-30	1191
2017-12-31	1152
2018-03-31	1200
2018-06-30	1098
2018-09-30	1088
2018-12-31	1062
2019-03-31	1080
2019-06-30	1092
2019-09-30	1115
2019-12-31	1145
2020-03-31	1213
2020-06-30	1290
2020-09-30	1380
2020-12-31	1261
2021-03-31	1364
2021-06-30	1378
2021-09-30	1332
2021-12-31	1302
2022-03-31	1385
2022-06-30	1409
2022-09-30	1391
2022-12-31	1318
2023-03-31	1356
2023-06-30	1439
2023-09-30	1489