Quarter US dollars 2004-12-31 443 2005-03-31 7743 2005-06-30 1502 2005-09-30 5874 2005-12-31 850 2006-03-31 661 2006-06-30 4163 2006-09-30 1373 2006-12-31 2162 2007-03-31 3509 2007-06-30 8373 2007-09-30 6730 2007-12-31 5017 2008-03-31 5545 2008-06-30 8452 2008-09-30 5601 2008-12-31 3499 2009-03-31 964 2009-06-30 2564 2009-09-30 648 2009-12-31 3729 2010-03-31 1859 2010-06-30 1282 2010-09-30 392 2010-12-31 806 2011-03-31 452 2011-06-30 835 2011-09-30 372 2011-12-31 584 2012-03-31 494 2012-06-30 329 2012-09-30 273 2012-12-31 369 2013-03-31 120 2013-06-30 340 2013-09-30 241 2013-12-31 286 2014-03-31 265 2014-06-30 320 2014-09-30 843 2014-12-31 236 2015-03-31 239 2015-06-30 540 2015-09-30 217 2015-12-31 215 2016-03-31 132 2016-06-30 1178 2016-09-30 153 2016-12-31 90 2017-03-31 130 2017-06-30 109 2017-09-30 315 2017-12-31 62 2018-03-31 139 2018-06-30 174 2018-09-30 190 2018-12-31 162 2019-03-31 61 2019-06-30 66 2019-09-30 229 2019-12-31 288 2020-03-31 182 2020-06-30 108 2020-09-30 40 2020-12-31 218 2021-03-31 11 2021-06-30 66 2021-09-30 24 2021-12-31 12 2022-03-31 283 2022-06-30 254 2022-09-30 20 2022-12-31 30 2023-03-31 17 2023-06-30 12 2023-09-30 76