Quarter	US dollars
2004-12-31	351
2005-03-31	214
2005-06-30	491
2005-09-30	578
2005-12-31	537
2006-03-31	657
2006-06-30	435
2006-09-30	372
2006-12-31	260
2007-03-31	467
2007-06-30	1198
2007-09-30	1561
2007-12-31	1527
2008-03-31	2262
2008-06-30	3128
2008-09-30	3607
2008-12-31	3607
2009-03-31	2439
2009-06-30	1291
2009-09-30	1303
2009-12-31	814
2010-03-31	972
2010-06-30	1077
2010-09-30	1185
2010-12-31	1209
2011-03-31	1292
2011-06-30	1659
2011-09-30	2539
2011-12-31	1569
2012-03-31	1269
2012-06-30	1597
2012-09-30	1214
2012-12-31	1098
2013-03-31	920
2013-06-30	1997
2013-09-30	2455
2013-12-31	1575
2014-03-31	1839
2014-06-30	1549
2014-09-30	1581
2014-12-31	1878
2015-03-31	2439
2015-06-30	1743
2015-09-30	2733
2015-12-31	2035
2016-03-31	2106
2016-06-30	2408
2016-09-30	569
2016-12-31	630
2017-03-31	388
2017-06-30	240
2017-09-30	224
2017-12-31	100
2018-03-31	194
2018-06-30	515
2018-09-30	224
2018-12-31	276
2019-03-31	262
2019-06-30	331
2019-09-30	391
2019-12-31	472
2020-03-31	1088
2020-06-30	760
2020-09-30	722
2020-12-31	718
2021-03-31	745
2021-06-30	647
2021-09-30	414
2021-12-31	292
2022-03-31	679
2022-06-30	785
2022-09-30	1279
2022-12-31	939
2023-03-31	911
2023-06-30	1168
2023-09-30	872