Quarter	US dollars
2004-12-31	380
2005-03-31	425
2005-06-30	253
2005-09-30	235
2005-12-31	230
2006-03-31	333
2006-06-30	477
2006-09-30	379
2006-12-31	468
2007-03-31	547
2007-06-30	369
2007-09-30	407
2007-12-31	520
2008-06-30	577
2008-12-31	624
2009-09-30	537
2009-12-31	559
2010-03-31	394
2010-06-30	630
2010-12-31	845
2011-03-31	1052
2011-12-31	1050
2012-03-31	866
2012-06-30	979
2012-09-30	977
2012-12-31	1282
2013-03-31	1532
2013-06-30	1198
2013-09-30	1237
2013-12-31	1025
2014-06-30	988
2014-12-31	1146
2015-03-31	1363
2015-06-30	1425
2015-09-30	1262
2015-12-31	1252
2016-03-31	1341
2016-06-30	1265
2016-09-30	1213
2016-12-31	1053
2017-03-31	1144
2017-06-30	1038
2017-09-30	959
2017-12-31	917
2018-03-31	999
2018-06-30	1065
2018-09-30	887
2018-12-31	907
2019-03-31	816
2019-06-30	867
2019-09-30	723
2019-12-31	795
2020-03-31	625
2020-06-30	487
2020-09-30	394
2020-12-31	441
2021-03-31	281
2021-06-30	413
2021-09-30	260
2021-12-31	309
2022-03-31	359
2022-06-30	371
2022-09-30	279
2022-12-31	465
2023-03-31	272
2023-06-30	410
2023-09-30	434