Quarter	US dollars
1999-09-30	127
1999-12-31	94
2000-03-31	129
2000-06-30	135
2000-09-30	137
2000-12-31	129
2001-03-31	183
2001-06-30	153
2001-09-30	101
2001-12-31	86
2002-03-31	63
2002-06-30	171
2002-09-30	66
2002-12-31	50
2003-03-31	44
2003-06-30	129
2003-09-30	186
2003-12-31	165
2004-03-31	151
2004-06-30	138
2004-09-30	277
2004-12-31	417
2005-03-31	374
2005-06-30	357
2005-09-30	329
2005-12-31	469
2006-03-31	536
2006-06-30	218
2006-09-30	293
2006-12-31	223
2007-03-31	710
2007-06-30	674
2007-09-30	1473
2007-12-31	1195
2008-03-31	1079
2008-06-30	1031
2008-09-30	1732
2008-12-31	1665
2009-03-31	1423
2009-06-30	1378
2009-09-30	1411
2009-12-31	1298
2010-03-31	1174
2010-06-30	1356
2010-09-30	1268
2010-12-31	1221
2011-03-31	1114
2011-06-30	1872
2011-09-30	1802
2011-12-31	1866
2012-03-31	2404
2012-06-30	3115
2012-09-30	2694
2012-12-31	1895
2013-03-31	1813
2013-06-30	2581
2013-09-30	3198
2013-12-31	1370
2014-03-31	1290
2014-06-30	2182
2014-09-30	1248
2014-12-31	1598
2015-03-31	1253
2015-06-30	1584
2015-09-30	1828
2015-12-31	1664
2016-03-31	955
2016-06-30	935
2016-09-30	870
2016-12-31	849
2017-03-31	700
2017-06-30	409
2017-09-30	386
2017-12-31	438
2018-03-31	540
2018-06-30	485
2018-09-30	493
2018-12-31	480
2019-03-31	577
2019-06-30	806
2019-09-30	788
2019-12-31	942
2020-03-31	1173
2020-06-30	1099
2020-09-30	861
2020-12-31	804
2021-03-31	1199
2021-06-30	1322
2021-09-30	801
2021-12-31	856
2022-03-31	719
2022-06-30	1087
2022-09-30	980
2022-12-31	928
2023-03-31	1399
2023-06-30	1407
2023-09-30	1071