Quarter US dollars 2004-12-31 17 2005-03-31 60 2005-06-30 45 2005-09-30 53 2005-12-31 43 2006-03-31 45 2006-06-30 63 2006-09-30 50 2006-12-31 33 2007-03-31 29 2007-06-30 32 2007-09-30 29 2007-12-31 177 2008-03-31 83 2008-06-30 103 2008-09-30 86 2008-12-31 81 2009-03-31 59 2009-06-30 63 2009-09-30 29 2009-12-31 29 2010-03-31 21 2010-06-30 30 2010-09-30 33 2010-12-31 61 2011-03-31 61 2011-06-30 37 2011-09-30 34 2011-12-31 3 2012-03-31 5 2012-06-30 6 2012-09-30 6 2012-12-31 8 2013-03-31 11 2013-06-30 27 2013-09-30 8 2013-12-31 3 2014-03-31 15 2014-06-30 7 2014-09-30 2 2014-12-31 0 2015-03-31 0 2015-06-30 9 2015-09-30 29 2015-12-31 27 2016-03-31 26 2016-06-30 7 2016-09-30 5 2016-12-31 38 2017-03-31 1 2017-06-30 1 2017-09-30 0 2017-12-31 0 2018-03-31 0 2018-06-30 0 2018-09-30 0 2018-12-31 0 2019-03-31 7 2019-06-30 0 2019-09-30 0 2019-12-31 22 2020-03-31 25 2020-06-30 11 2020-09-30 26 2020-12-31 27 2021-03-31 6 2021-06-30 6 2021-09-30 11 2021-12-31 22 2022-03-31 21 2022-06-30 21 2022-09-30 22 2022-12-31 29 2023-03-31 37 2023-06-30 42 2023-09-30 42