Quarter US dollars 2004-12-31 739 2005-03-31 698 2005-06-30 764 2005-09-30 1134 2005-12-31 917 2006-03-31 971 2006-06-30 860 2006-09-30 359 2006-12-31 1000 2007-03-31 1867 2007-06-30 2105 2007-09-30 1909 2007-12-31 2554 2008-03-31 1781 2008-06-30 1851 2008-09-30 1399 2008-12-31 1616 2009-03-31 1516 2009-06-30 1039 2009-09-30 817 2009-12-31 991 2010-03-31 752 2010-06-30 603 2010-09-30 528 2010-12-31 560 2011-03-31 458 2011-06-30 297 2011-09-30 206 2011-12-31 192 2012-03-31 89 2012-06-30 108 2012-09-30 173 2012-12-31 207 2013-03-31 108 2013-06-30 111 2013-09-30 517 2013-12-31 433 2014-03-31 417 2014-06-30 371 2014-09-30 342 2014-12-31 331 2015-03-31 347 2015-06-30 401 2015-09-30 348 2015-12-31 350 2016-03-31 352 2016-06-30 93 2016-09-30 65 2016-12-31 63 2017-03-31 88 2017-06-30 91 2017-09-30 113 2017-12-31 118 2018-03-31 58 2018-06-30 57 2018-09-30 52 2018-12-31 66 2019-03-31 63 2019-06-30 32 2019-09-30 31 2019-12-31 34 2020-03-31 21 2020-06-30 5 2020-09-30 0 2020-12-31 10 2021-03-31 1 2021-06-30 1 2021-09-30 9 2021-12-31 16 2022-03-31 8 2022-06-30 17 2022-09-30 14 2022-12-31 209 2023-03-31 209 2023-06-30 205 2023-09-30 214