Quarter US dollars 2004-12-31 27 2005-03-31 17 2005-06-30 22 2005-09-30 21 2005-12-31 26 2006-03-31 24 2006-06-30 28 2006-09-30 26 2006-12-31 37 2007-03-31 27 2007-06-30 32 2007-09-30 71 2007-12-31 50 2008-03-31 68 2008-06-30 101 2008-09-30 100 2008-12-31 115 2009-03-31 115 2009-06-30 130 2009-09-30 160 2009-12-31 160 2010-03-31 135 2010-06-30 299 2010-09-30 151 2010-12-31 138 2011-03-31 122 2011-06-30 124 2011-09-30 93 2011-12-31 271 2012-03-31 240 2012-06-30 296 2012-09-30 149 2012-12-31 144 2013-03-31 126 2013-06-30 150 2013-09-30 62 2013-12-31 621 2014-03-31 28 2014-06-30 27 2014-09-30 28 2014-12-31 31 2015-03-31 16 2015-06-30 -3 2015-09-30 0 2015-12-31 0 2016-03-31 -37 2016-06-30 -11 2016-09-30 22 2016-12-31 28 2017-03-31 29 2017-06-30 42 2017-09-30 127 2017-12-31 147 2018-03-31 123 2018-06-30 88 2018-09-30 77 2018-12-31 109 2019-03-31 108 2019-06-30 188 2019-09-30 152 2019-12-31 256 2020-03-31 243 2020-06-30 300 2020-09-30 96 2020-12-31 97 2021-03-31 156 2021-06-30 178 2021-09-30 159 2021-12-31 156 2022-03-31 788 2022-06-30 834 2022-09-30 831 2022-12-31 964 2023-03-31 1022 2023-06-30 912 2023-09-30 1125