Quarter US dollars 2004-12-31 125 2005-03-31 125 2005-06-30 111 2005-09-30 111 2005-12-31 108 2006-03-31 109 2006-06-30 113 2006-09-30 110 2006-12-31 114 2007-03-31 114 2007-06-30 88 2007-09-30 108 2007-12-31 102 2008-03-31 123 2008-06-30 117 2008-09-30 73 2008-12-31 65 2009-03-31 59 2009-06-30 71 2009-09-30 66 2009-12-31 55 2010-03-31 55 2010-06-30 328 2010-09-30 354 2010-12-31 344 2011-03-31 237 2011-06-30 194 2011-09-30 189 2011-12-31 158 2012-03-31 129 2012-06-30 107 2012-09-30 136 2012-12-31 157 2013-03-31 47 2013-06-30 21 2013-09-30 19 2013-12-31 84 2014-03-31 8 2014-06-30 29 2014-09-30 16 2014-12-31 39 2015-03-31 9 2015-06-30 13 2015-09-30 18 2015-12-31 25 2016-03-31 6 2016-06-30 8 2016-09-30 35 2016-12-31 4 2017-03-31 3 2017-06-30 4 2017-09-30 9 2017-12-31 7 2018-03-31 3 2018-06-30 5 2018-09-30 7 2018-12-31 1 2019-03-31 4 2019-06-30 1 2019-09-30 4 2019-12-31 1 2020-03-31 4 2020-06-30 6 2020-09-30 3 2020-12-31 10 2021-03-31 4 2021-06-30 12 2021-09-30 5 2021-12-31 8 2022-03-31 7 2022-06-30 3 2022-09-30 3 2022-12-31 7 2023-03-31 5 2023-06-30 9 2023-09-30 4