Quarterly US dollars
1999-03-31 2495
1999-06-30 -293
1999-09-30 -743
1999-12-31 -551
2000-03-31 -1872
2000-06-30 234
2000-09-30 -344
2000-12-31 1419
2001-03-31 -759
2001-06-30 -165
2001-09-30 -289
2001-12-31 -1230
2002-03-31 42
2002-06-30 2578
2002-09-30 -1388
2002-12-31 1613
2003-03-31 1244
2003-06-30 -1104
2003-09-30 1420
2003-12-31 1638
2004-03-31 1856
2004-06-30 -132
2004-09-30 3658
2004-12-31 4063
2005-03-31 -1955
2005-06-30 2140
2005-09-30 1650
2005-12-31 6216
2006-03-31 6918
2006-06-30 -2032
2006-09-30 5355
2006-12-31 5136
2007-03-31 605
2007-06-30 13008
2007-09-30 6437
2007-12-31 21775
2008-03-31 7945
2008-06-30 -686
2008-09-30 5365
2008-12-31 2424
2009-03-31 -7893
2009-06-30 -2715
2009-09-30 -2536
2009-12-31 -2525
2010-03-31 3494
2010-06-30 5578
2010-09-30 -3519
2010-12-31 5537
2011-03-31 1
2011-06-30 -1438
2011-09-30 -4704
2011-12-31 4508
2012-03-31 3297
2012-06-30 -2904
2012-09-30 6975
2012-12-31 2331
2013-03-31 -7129
2013-06-30 -4677
2013-09-30 6083
2013-12-31 -9838
2014-03-31 18304
2014-06-30 -5518
2014-09-30 8571
2014-12-31 5144
2015-03-31 2103
2015-06-30 7772
2015-09-30 2629
2015-12-31 12610
2016-03-31 -10023
2016-06-30 6604
2016-09-30 3769
2016-12-31 189
2017-03-31 2101
2017-06-30 -4401
2017-09-30 4408
2017-12-31 13533
2018-03-31 15612
2018-06-30 -7992
2018-09-30 -1172
2018-12-31 5753
2019-03-31 14118
2019-06-30 8823
2019-09-30 -2081
2019-12-31 12379
2020-03-31 -7867
2020-06-30 -6946
2020-09-30 2999
2020-12-31 12001
2021-03-31 317
2021-06-30 -2186
2021-09-30 -5571
2021-12-31 9641
2022-03-31 -580
2022-06-30 -193
2022-09-30 -755
2022-12-31 -3549
2023-03-31 -7909
2023-06-30 2061
2023-09-30 -2369