Quarter	US dollars
2004-12-31	263
2005-03-31	257
2005-06-30	317
2005-09-30	831
2005-12-31	912
2006-03-31	848
2006-06-30	768
2006-09-30	781
2006-12-31	789
2007-03-31	881
2007-06-30	967
2007-09-30	1337
2007-12-31	1595
2008-03-31	2093
2008-06-30	2008
2008-09-30	1960
2008-12-31	1647
2009-03-31	1318
2009-06-30	1755
2009-09-30	1951
2009-12-31	1833
2010-03-31	1888
2010-06-30	1993
2010-09-30	11797
2010-12-31	17075
2011-03-31	18109
2011-06-30	17790
2011-09-30	19905
2011-12-31	15945
2012-03-31	16762
2012-06-30	16397
2012-09-30	15086
2012-12-31	16776
2013-03-31	29849
2013-06-30	28828
2013-09-30	27842
2013-12-31	28083
2014-03-31	28442
2014-06-30	25673
2014-09-30	25996
2014-12-31	27714
2015-03-31	29436
2015-06-30	26409
2015-09-30	25974
2015-12-31	24829
2016-03-31	24798
2016-06-30	25922
2016-09-30	19655
2016-12-31	20166
2017-03-31	19353
2017-06-30	19268
2017-09-30	21231
2017-12-31	19199
2018-03-31	16245
2018-06-30	17215
2018-09-30	19189
2018-12-31	17147
2019-03-31	18969
2019-06-30	17248
2019-09-30	17090
2019-12-31	15114
2020-03-31	15361
2020-06-30	12957
2020-09-30	12017
2020-12-31	10714
2021-03-31	11329
2021-06-30	11723
2021-09-30	10875
2021-12-31	10550
2022-03-31	11281
2022-06-30	11072
2022-09-30	12327
2022-12-31	11568
2023-03-31	11845
2023-06-30	10400
2023-09-30	10341