Quarter US dollars 2004-12-31 25 2005-03-31 26 2005-06-30 41 2005-09-30 48 2005-12-31 50 2006-03-31 49 2006-06-30 50 2006-09-30 64 2006-12-31 70 2007-03-31 73 2007-06-30 74 2007-09-30 73 2007-12-31 104 2008-03-31 85 2008-06-30 78 2008-09-30 71 2008-12-31 69 2009-03-31 63 2009-06-30 86 2009-09-30 59 2009-12-31 60 2010-03-31 55 2010-06-30 64 2010-09-30 82 2010-12-31 106 2011-03-31 103 2011-06-30 88 2011-09-30 100 2011-12-31 119 2012-03-31 131 2012-06-30 108 2012-09-30 124 2012-12-31 136 2013-03-31 129 2013-06-30 123 2013-09-30 144 2013-12-31 137 2014-03-31 145 2014-06-30 147 2014-09-30 165 2014-12-31 162 2015-03-31 169 2015-06-30 127 2015-09-30 126 2015-12-31 147 2016-03-31 122 2016-06-30 120 2016-09-30 133 2016-12-31 125 2017-03-31 134 2017-06-30 135 2017-09-30 146 2017-12-31 130 2018-03-31 145 2018-06-30 115 2018-09-30 125 2018-12-31 107 2019-03-31 122 2019-06-30 113 2019-09-30 118 2019-12-31 131 2020-03-31 122 2020-06-30 131 2020-09-30 140 2020-12-31 134 2021-03-31 145 2021-06-30 126 2021-09-30 177 2021-12-31 159 2022-03-31 167 2022-06-30 236 2022-09-30 148 2022-12-31 172 2023-03-31 168 2023-06-30 197 2023-09-30 185