Quarter US dollars 2004-12-31 19 2005-03-31 17 2005-06-30 5 2005-09-30 4 2005-12-31 3 2006-03-31 2 2006-06-30 0 2006-09-30 9 2006-12-31 0 2007-03-31 0 2007-06-30 2 2007-09-30 6 2007-12-31 88 2008-03-31 95 2008-06-30 34 2008-09-30 37 2008-12-31 30 2009-03-31 32 2009-06-30 58 2009-09-30 131 2009-12-31 99 2010-03-31 64 2010-06-30 64 2010-09-30 74 2010-12-31 103 2011-03-31 168 2011-06-30 215 2011-09-30 109 2011-12-31 87 2012-03-31 158 2012-06-30 190 2012-09-30 107 2012-12-31 129 2013-03-31 182 2013-06-30 68 2013-09-30 45 2013-12-31 38 2014-03-31 268 2014-06-30 267 2014-09-30 58 2014-12-31 195 2015-03-31 125 2015-06-30 47 2015-09-30 80 2015-12-31 225 2016-03-31 193 2016-06-30 46 2016-09-30 47 2016-12-31 170 2017-03-31 149 2017-06-30 10 2017-09-30 38 2017-12-31 66 2018-03-31 35 2018-06-30 5 2018-09-30 3 2018-12-31 105 2019-03-31 63 2019-06-30 59 2019-09-30 12 2019-12-31 15 2020-03-31 164 2020-06-30 171 2020-09-30 18 2020-12-31 104 2021-03-31 106 2021-06-30 44 2021-09-30 7 2021-12-31 26 2022-03-31 24 2022-06-30 1 2022-09-30 23 2022-12-31 88 2023-03-31 138 2023-06-30 20 2023-09-30 10