Quarter US dollars 2004-12-31 182 2005-03-31 357 2005-06-30 138 2005-09-30 345 2005-12-31 228 2006-03-31 241 2006-06-30 322 2006-09-30 185 2006-12-31 141 2007-03-31 155 2007-06-30 421 2007-09-30 47 2007-12-31 70 2008-03-31 185 2008-06-30 762 2008-09-30 620 2008-12-31 519 2009-03-31 75 2009-06-30 69 2009-09-30 45 2009-12-31 58 2010-03-31 24 2010-06-30 929 2010-09-30 844 2010-12-31 69 2011-03-31 205 2011-06-30 372 2011-09-30 237 2011-12-31 179 2012-03-31 91 2012-06-30 96 2012-09-30 287 2012-12-31 139 2013-03-31 15 2013-06-30 26 2013-09-30 178 2013-12-31 390 2014-03-31 47 2014-06-30 135 2014-09-30 563 2014-12-31 84 2015-03-31 73 2015-06-30 19 2015-09-30 194 2015-12-31 338 2016-03-31 292 2016-06-30 39 2016-09-30 207 2016-12-31 346 2017-03-31 263 2017-06-30 503 2017-09-30 377 2017-12-31 434 2018-03-31 104 2018-06-30 157 2018-09-30 150 2018-12-31 86 2019-03-31 87 2019-06-30 31 2019-09-30 48 2019-12-31 79 2020-03-31 76 2020-06-30 130 2020-09-30 63 2020-12-31 34 2021-03-31 10 2021-06-30 427 2021-09-30 50 2021-12-31 66 2022-03-31 64 2022-06-30 97 2022-09-30 104 2022-12-31 90 2023-03-31 54 2023-06-30 91 2023-09-30 49