Quarter	US dollars
2004-12-31	211
2005-03-31	185
2005-06-30	195
2005-09-30	140
2005-12-31	149
2006-03-31	151
2006-06-30	176
2006-09-30	138
2006-12-31	125
2007-03-31	145
2007-06-30	283
2007-09-30	306
2007-12-31	392
2008-03-31	582
2008-06-30	541
2008-09-30	800
2008-12-31	824
2009-03-31	833
2009-06-30	825
2009-09-30	952
2009-12-31	969
2010-03-31	1065
2010-06-30	1178
2010-09-30	1238
2010-12-31	1370
2011-03-31	1415
2011-06-30	1694
2011-09-30	1813
2011-12-31	1790
2012-03-31	2028
2012-06-30	2249
2012-09-30	2162
2012-12-31	2103
2013-03-31	2036
2013-06-30	1846
2013-09-30	1751
2013-12-31	788
2014-03-31	984
2014-06-30	927
2014-09-30	937
2014-12-31	1021
2015-03-31	753
2015-06-30	755
2015-09-30	944
2015-12-31	797
2016-03-31	722
2016-06-30	697
2016-09-30	607
2016-12-31	663
2017-03-31	552
2017-06-30	672
2017-09-30	715
2017-12-31	466
2018-03-31	472
2018-06-30	499
2018-09-30	546
2018-12-31	633
2019-03-31	694
2019-06-30	667
2019-09-30	685
2019-12-31	679
2020-03-31	830
2020-06-30	823
2020-09-30	796
2020-12-31	745
2021-03-31	621
2021-06-30	644
2021-09-30	630
2021-12-31	544
2022-03-31	484
2022-06-30	604
2022-09-30	497
2022-12-31	356
2023-03-31	386
2023-06-30	399
2023-09-30	403