Quarter US dollars 2004-12-31 5155 2005-03-31 9316 2005-06-30 6053 2005-09-30 14706 2005-12-31 7922 2006-03-31 9410 2006-06-30 17458 2006-09-30 20608 2006-12-31 22185 2007-03-31 20974 2007-06-30 23391 2007-09-30 37541 2007-12-31 29173 2008-03-31 30502 2008-06-30 27989 2008-09-30 26683 2008-12-31 19425 2009-03-31 11188 2009-06-30 11748 2009-09-30 17495 2009-12-31 17303 2010-03-31 26686 2010-06-30 28904 2010-09-30 35127 2010-12-31 47549 2011-03-31 54278 2011-06-30 81598 2011-09-30 80852 2011-12-31 77709 2012-03-31 82673 2012-06-30 75414 2012-09-30 67596 2012-12-31 66305 2013-03-31 86653 2013-06-30 95505 2013-09-30 97645 2013-12-31 98165 2014-03-31 115524 2014-06-30 104104 2014-09-30 99569 2014-12-31 89932 2015-03-31 92295 2015-06-30 88064 2015-09-30 77927 2015-12-31 67804 2016-03-31 64206 2016-06-30 65645 2016-09-30 64037 2016-12-31 69332 2017-03-31 77432 2017-06-30 98099 2017-09-30 93818 2017-12-31 99317 2018-03-31 95799 2018-06-30 92915 2018-09-30 94311 2018-12-31 94800 2019-03-31 102747 2019-06-30 107632 2019-09-30 103631 2019-12-31 103558 2020-03-31 102634 2020-06-30 98955 2020-09-30 96118 2020-12-31 108362 2021-03-31 120463 2021-06-30 125863 2021-09-30 120318 2021-12-31 119924 2022-03-31 109533 2022-06-30 111082 2022-09-30 111276 2022-12-31 110392 2023-03-31 116463 2023-06-30 118897 2023-09-30 116705