Quarter	US dollars
2004-12-31	856
2005-03-31	805
2005-06-30	871
2005-09-30	969
2005-12-31	973
2006-03-31	937
2006-06-30	1028
2006-09-30	1100
2006-12-31	1149
2007-03-31	1512
2007-06-30	1404
2007-09-30	1622
2007-12-31	1551
2008-03-31	1749
2008-06-30	1889
2008-09-30	2181
2008-12-31	1498
2009-03-31	1543
2009-06-30	1533
2009-09-30	2397
2009-12-31	2350
2010-03-31	1944
2010-06-30	1864
2010-09-30	1911
2010-12-31	1977
2011-03-31	1904
2011-06-30	2018
2011-09-30	1952
2011-12-31	1781
2012-03-31	1954
2012-06-30	2013
2012-09-30	1799
2012-12-31	1707
2013-03-31	1687
2013-06-30	1900
2013-09-30	1843
2013-12-31	1623
2014-03-31	1799
2014-06-30	971
2014-09-30	1051
2014-12-31	1005
2015-03-31	901
2015-06-30	830
2015-09-30	869
2015-12-31	806
2016-03-31	595
2016-06-30	618
2016-09-30	635
2016-12-31	623
2017-03-31	769
2017-06-30	1430
2017-09-30	1321
2017-12-31	1416
2018-03-31	1368
2018-06-30	1355
2018-09-30	1260
2018-12-31	1356
2019-03-31	1345
2019-06-30	1370
2019-09-30	1212
2019-12-31	1185
2020-03-31	1033
2020-06-30	1107
2020-09-30	1057
2020-12-31	987
2021-03-31	1072
2021-06-30	1159
2021-09-30	1073
2021-12-31	1067
2022-03-31	1015
2022-06-30	1080
2022-09-30	938
2022-12-31	979
2023-03-31	789
2023-06-30	753
2023-09-30	386