Quarter	US dollars
2004-12-31	44
2005-03-31	60
2005-06-30	106
2005-09-30	104
2005-12-31	106
2006-03-31	149
2006-06-30	155
2006-09-30	185
2006-12-31	172
2007-03-31	143
2007-06-30	223
2007-09-30	218
2007-12-31	243
2008-03-31	219
2008-06-30	267
2008-09-30	223
2008-12-31	217
2009-03-31	171
2009-06-30	184
2009-09-30	176
2009-12-31	170
2010-03-31	153
2010-06-30	180
2010-09-30	150
2010-12-31	216
2011-03-31	202
2011-06-30	244
2011-09-30	245
2011-12-31	187
2012-03-31	168
2012-06-30	202
2012-09-30	187
2012-12-31	220
2013-03-31	243
2013-06-30	191
2013-09-30	180
2013-12-31	226
2014-03-31	162
2014-06-30	159
2014-09-30	178
2014-12-31	198
2015-03-31	199
2015-06-30	329
2015-09-30	297
2015-12-31	317
2016-03-31	292
2016-06-30	297
2016-09-30	295
2016-12-31	284
2017-03-31	348
2017-06-30	286
2017-09-30	338
2017-12-31	367
2018-03-31	349
2018-06-30	382
2018-09-30	304
2018-12-31	372
2019-03-31	422
2019-06-30	368
2019-09-30	312
2019-12-31	370
2020-03-31	398
2020-06-30	313
2020-09-30	426
2020-12-31	579
2021-03-31	497
2021-06-30	413
2021-09-30	570
2021-12-31	515
2022-03-31	667
2022-06-30	659
2022-09-30	493
2022-12-31	454
2023-03-31	366
2023-06-30	439
2023-09-30	426