Quarterly US dollars
1999-09-30 0
1999-12-31 0
2000-03-31 0
2000-06-30 0
2000-09-30 0
2000-12-31 0
2001-03-31 -446
2001-06-30 -863
2001-09-30 -1430
2001-12-31 -1878
2002-03-31 -3054
2002-06-30 -4026
2002-09-30 -4136
2002-12-31 -4454
2003-03-31 -6691
2003-06-30 -7122
2003-09-30 -7251
2003-12-31 -7889
2004-03-31 -7503
2004-06-30 -7413
2004-09-30 -7639
2004-12-31 -8444
2005-03-31 -7847
2005-06-30 -7405
2005-09-30 -7388
2005-12-31 -7235
2006-03-31 -8428
2006-06-30 -8944
2006-09-30 -8940
2006-12-31 -9348
2007-03-31 -8578
2007-06-30 -8712
2007-09-30 -9215
2007-12-31 -9609
2008-03-31 -8839
2008-06-30 -8790
2008-09-30 -8391
2008-12-31 -8514
2009-03-31 -6126
2009-06-30 -6169
2009-09-30 -6223
2009-12-31 -6240
2010-03-31 -6079
2010-06-30 -6117
2010-09-30 -6181
2010-12-31 -6180
2011-03-31 -6071
2011-06-30 -6118
2011-09-30 -6131
2011-12-31 -6137
2012-03-31 -6063
2012-06-30 -6077
2012-09-30 -6076
2012-12-31 -6077
2013-03-31 -6031
2013-06-30 -6023
2013-09-30 -6017
2013-12-31 -6020
2014-03-31 -6004
2014-06-30 -6022
2014-09-30 -6003
2014-12-31 -6012
2015-03-31 -6028
2015-06-30 -6035
2015-09-30 -6028
2015-12-31 -6013
2016-03-31 -6029
2016-06-30 -6059
2016-09-30 -6025
2016-12-31 -6002
2017-03-31 -5993
2017-06-30 -6018
2017-09-30 -5995
2017-12-31 -5993
2018-03-31 -5956
2018-06-30 -5975
2018-09-30 -5943
2018-12-31 -6006
2019-03-31 -6016
2019-06-30 -6098
2019-09-30 -6069
2019-12-31 -6097
2020-03-31 -4122
2020-06-30 -6148
2020-09-30 -6107
2020-12-31 -6109
2021-03-31 -6052
2021-06-30 -6047
2021-09-30 -6025
2021-12-31 -6001
2022-03-31 -5867
2022-06-30 -5831
2022-09-30 -5746
2022-12-31 -5783
2023-03-31 -7878
2023-06-30 -5867
2023-09-30 -5850
2023-12-31 -5973