Quarter US dollars 2004-12-31 146 2005-03-31 136 2005-06-30 125 2005-09-30 41 2005-12-31 136 2006-03-31 120 2006-06-30 122 2006-09-30 133 2006-12-31 114 2007-03-31 8 2007-06-30 114 2007-09-30 141 2007-12-31 211 2008-03-31 181 2008-06-30 221 2008-09-30 164 2008-12-31 150 2009-03-31 130 2009-06-30 114 2009-09-30 123 2009-12-31 26 2010-03-31 129 2010-06-30 106 2010-09-30 129 2010-12-31 119 2011-03-31 120 2011-06-30 149 2011-09-30 157 2011-12-31 121 2012-03-31 121 2012-06-30 102 2012-09-30 131 2012-12-31 141 2013-03-31 126 2013-06-30 140 2013-09-30 164 2013-12-31 182 2014-03-31 193 2014-06-30 190 2014-09-30 186 2014-12-31 219 2015-03-31 257 2015-06-30 247 2015-09-30 270 2015-12-31 271 2016-03-31 338 2016-06-30 231 2016-09-30 244 2016-12-31 299 2017-03-31 306 2017-06-30 338 2017-09-30 350 2017-12-31 238 2018-03-31 268 2018-06-30 256 2018-09-30 265 2018-12-31 361 2019-03-31 384 2019-06-30 447 2019-09-30 405 2019-12-31 297 2020-03-31 285 2020-06-30 189 2020-09-30 202 2020-12-31 232 2021-03-31 250 2021-06-30 354 2021-09-30 313 2021-12-31 170 2022-03-31 311 2022-06-30 274 2022-09-30 266 2022-12-31 226 2023-03-31 289 2023-06-30 343 2023-09-30 354