Quarter	US dollars
2004-12-31	200
2005-03-31	191
2005-06-30	298
2005-09-30	371
2005-12-31	326
2006-03-31	208
2006-06-30	250
2006-09-30	228
2006-12-31	403
2007-03-31	404
2007-06-30	526
2007-09-30	462
2007-12-31	623
2008-03-31	680
2008-06-30	722
2008-09-30	802
2008-12-31	746
2009-03-31	688
2009-06-30	641
2009-09-30	649
2009-12-31	838
2010-03-31	821
2010-06-30	771
2010-09-30	961
2010-12-31	878
2011-03-31	1056
2011-06-30	1220
2011-09-30	899
2011-12-31	770
2012-03-31	922
2012-06-30	974
2012-09-30	1066
2012-12-31	863
2013-03-31	950
2013-06-30	893
2013-09-30	1046
2013-12-31	1036
2014-03-31	1139
2014-06-30	1315
2014-09-30	1363
2014-12-31	1192
2015-03-31	1189
2015-06-30	1326
2015-09-30	1369
2015-12-31	1215
2016-03-31	1143
2016-06-30	1423
2016-09-30	1698
2016-12-31	1756
2017-03-31	1726
2017-06-30	1739
2017-09-30	1948
2017-12-31	1851
2018-03-31	1890
2018-06-30	1781
2018-09-30	1896
2018-12-31	2052
2019-03-31	1923
2019-06-30	1973
2019-09-30	1225
2019-12-31	1210
2020-03-31	1188
2020-06-30	1083
2020-09-30	1004
2020-12-31	1430
2021-03-31	1638
2021-06-30	1871
2021-09-30	1986
2021-12-31	1864
2022-03-31	2030
2022-06-30	2216
2022-09-30	2277
2022-12-31	2134
2023-03-31	2195
2023-06-30	1553
2023-09-30	927