Quarter	US dollars
2004-12-31	8
2005-03-31	9
2005-06-30	9
2005-09-30	25
2005-12-31	5
2006-03-31	24
2006-06-30	46
2006-09-30	30
2006-12-31	235
2007-03-31	235
2007-06-30	195
2007-09-30	6
2007-12-31	-86
2008-03-31	-264
2008-06-30	-370
2008-09-30	-289
2008-12-31	-454
2009-03-31	-490
2009-06-30	-316
2009-09-30	-286
2009-12-31	-161
2010-03-31	-176
2010-06-30	-359
2010-09-30	-443
2010-12-31	-377
2011-03-31	-378
2011-06-30	-302
2011-09-30	-388
2011-12-31	-379
2012-03-31	-371
2012-06-30	-381
2012-09-30	-380
2012-12-31	-325
2013-03-31	-577
2013-06-30	-121
2013-09-30	-201
2013-12-31	-231
2014-03-31	-113
2014-06-30	-238
2014-09-30	-222
2014-12-31	-279
2015-03-31	-324
2015-06-30	-225
2015-09-30	-147
2015-12-31	-222
2016-03-31	-309
2016-06-30	-318
2016-09-30	-422
2016-12-31	-341
2017-03-31	-311
2017-06-30	-347
2017-09-30	-282
2017-12-31	-257
2018-03-31	-218
2018-06-30	-147
2018-09-30	-159
2018-12-31	-170
2019-03-31	-169
2019-06-30	-153
2019-09-30	-218
2019-12-31	-54
2020-03-31	-321
2020-06-30	-281
2020-09-30	-408
2020-12-31	-426
2021-03-31	-295
2021-06-30	-225
2021-09-30	-174
2021-12-31	-162
2022-03-31	-149
2022-06-30	-183
2022-09-30	-255
2022-12-31	-149
2023-03-31	-114
2023-06-30	-80
2023-09-30	-54