Quarter US dollars 2004-12-31 259 2005-03-31 217 2005-06-30 194 2005-09-30 426 2005-12-31 460 2006-03-31 678 2006-06-30 277 2006-09-30 512 2006-12-31 297 2007-03-31 349 2007-06-30 445 2007-09-30 509 2007-12-31 651 2008-03-31 873 2008-06-30 380 2008-09-30 303 2008-12-31 325 2009-03-31 229 2009-06-30 224 2009-09-30 216 2009-12-31 257 2010-03-31 240 2010-06-30 247 2010-09-30 302 2010-12-31 260 2011-03-31 325 2011-06-30 315 2011-09-30 310 2011-12-31 377 2012-03-31 332 2012-06-30 221 2012-09-30 325 2012-12-31 427 2013-03-31 281 2013-06-30 253 2013-09-30 295 2013-12-31 294 2014-03-31 315 2014-06-30 289 2014-09-30 306 2014-12-31 212 2015-03-31 196 2015-06-30 252 2015-09-30 221 2015-12-31 191 2016-03-31 221 2016-06-30 220 2016-09-30 162 2016-12-31 151 2017-03-31 159 2017-06-30 139 2017-09-30 133 2017-12-31 130 2018-03-31 116 2018-06-30 44 2018-09-30 34 2018-12-31 40 2019-03-31 55 2019-06-30 46 2019-09-30 85 2019-12-31 108 2020-03-31 170 2020-06-30 120 2020-09-30 70 2020-12-31 113 2021-03-31 94 2021-06-30 72 2021-09-30 34 2021-12-31 13 2022-03-31 84 2022-06-30 48 2022-09-30 49 2022-12-31 56 2023-03-31 99 2023-06-30 21 2023-09-30 48