Quarter US dollars 2004-12-31 253 2005-03-31 100 2005-06-30 -179 2005-09-30 -4 2005-12-31 -112 2006-03-31 -232 2006-06-30 -325 2006-09-30 -230 2006-12-31 -262 2007-03-31 -100 2007-06-30 -839 2007-09-30 -791 2007-12-31 -593 2008-03-31 -237 2008-06-30 -965 2008-09-30 -378 2008-12-31 -1281 2009-03-31 -1367 2009-06-30 -557 2009-09-30 -214 2009-12-31 2 2010-03-31 -102 2010-06-30 -2336 2010-09-30 -2141 2010-12-31 -1990 2011-03-31 -1439 2011-06-30 -1582 2011-09-30 -1346 2011-12-31 -1382 2012-03-31 -1159 2012-06-30 -1101 2012-09-30 -1076 2012-12-31 -5 2013-03-31 87 2013-06-30 85 2013-09-30 -11 2013-12-31 -1183 2014-03-31 -192 2014-06-30 961 2014-09-30 1067 2014-12-31 779 2015-03-31 -24 2015-06-30 -373 2015-09-30 1319 2015-12-31 344 2016-03-31 393 2016-06-30 487 2016-09-30 79 2016-12-31 150 2017-03-31 -88 2017-06-30 286 2017-09-30 452 2017-12-31 326 2018-03-31 48 2018-06-30 59 2018-09-30 -39 2018-12-31 -341 2019-03-31 -14 2019-06-30 808 2019-09-30 467 2019-12-31 247 2020-03-31 701 2020-06-30 639 2020-09-30 512 2020-12-31 448 2021-03-31 -493 2021-06-30 -442 2021-09-30 268 2021-12-31 142 2022-03-31 -43 2022-06-30 -38 2022-09-30 566 2022-12-31 656 2023-03-31 673 2023-06-30 380 2023-09-30 476