Quarter US dollars 2004-12-31 134 2005-03-31 134 2005-06-30 233 2005-09-30 163 2005-12-31 122 2006-03-31 262 2006-06-30 107 2006-09-30 196 2006-12-31 45 2007-03-31 45 2007-06-30 46 2007-09-30 43 2007-12-31 42 2008-03-31 44 2008-06-30 52 2008-09-30 48 2008-12-31 62 2009-03-31 106 2009-06-30 119 2009-09-30 107 2009-12-31 108 2010-03-31 111 2010-06-30 117 2010-09-30 107 2010-12-31 100 2011-03-31 104 2011-06-30 111 2011-09-30 106 2011-12-31 107 2012-03-31 104 2012-06-30 99 2012-09-30 173 2012-12-31 167 2013-03-31 146 2013-06-30 144 2013-09-30 143 2013-12-31 86 2014-03-31 120 2014-06-30 125 2014-09-30 128 2014-12-31 128 2015-03-31 138 2015-06-30 143 2015-09-30 105 2015-12-31 101 2016-03-31 101 2016-06-30 95 2016-09-30 97 2016-12-31 89 2017-03-31 93 2017-06-30 56 2017-09-30 8 2017-12-31 59 2018-03-31 83 2018-06-30 81 2018-09-30 82 2018-12-31 24 2019-03-31 23 2019-06-30 73 2019-09-30 90 2019-12-31 87 2020-03-31 88 2020-06-30 85 2020-09-30 87 2020-12-31 81 2021-03-31 80 2021-06-30 77 2021-09-30 76 2021-12-31 75 2022-03-31 72 2022-06-30 68 2022-09-30 -1 2022-12-31 1 2023-03-31 1 2023-06-30 5 2023-09-30 133