Quarter US dollars 2004-12-31 35 2005-03-31 17 2005-06-30 38 2005-09-30 37 2005-12-31 -3 2006-03-31 95 2006-06-30 131 2006-09-30 192 2006-12-31 114 2007-03-31 124 2007-06-30 56 2007-09-30 63 2007-12-31 44 2008-03-31 26 2008-06-30 94 2008-09-30 5 2008-12-31 39 2009-03-31 21 2009-06-30 18 2009-09-30 21 2009-12-31 78 2010-03-31 18 2010-06-30 30 2010-09-30 47 2010-12-31 58 2011-03-31 22 2011-06-30 19 2011-09-30 6 2011-12-31 3 2012-03-31 43 2012-06-30 25 2012-09-30 -2 2012-12-31 44 2013-03-31 56 2013-06-30 59 2013-09-30 29 2013-12-31 15 2014-03-31 -2 2014-06-30 7 2014-09-30 16 2014-12-31 14 2015-03-31 19 2015-06-30 16 2015-09-30 8 2015-12-31 3 2016-03-31 19 2016-06-30 1 2016-09-30 -23 2016-12-31 23 2017-03-31 50 2017-06-30 -8 2017-09-30 25 2017-12-31 27 2018-03-31 39 2018-06-30 26 2018-09-30 77 2018-12-31 34 2019-03-31 14 2019-06-30 22 2019-09-30 62 2019-12-31 66 2020-03-31 40 2020-06-30 37 2020-09-30 22 2020-12-31 19 2021-03-31 29 2021-06-30 97 2021-09-30 30 2021-12-31 16 2022-03-31 -13 2022-06-30 17 2022-09-30 31 2022-12-31 19 2023-03-31 61 2023-06-30 51 2023-09-30 22