Quarterly
1999-03-31 -38083
1999-06-30 37077
1999-09-30 -8995
1999-12-31 17817
2000-03-31 38846
2000-06-30 20148
2000-09-30 -6739
2000-12-31 66035
2001-03-31 57488
2001-06-30 -36163
2001-09-30 25944
2001-12-31 43040
2002-03-31 -17835
2002-06-30 -521
2002-09-30 -17131
2002-12-31 36681
2003-03-31 36238
2003-06-30 85833
2003-09-30 -12625
2003-12-31 90293
2004-03-31 160869
2004-06-30 -24790
2004-09-30 64383
2004-12-31 98784
2005-03-31 58015
2005-06-30 47791
2005-09-30 60382
2005-12-31 27526
2006-03-31 230719
2006-06-30 9598
2006-09-30 86694
2006-12-31 10853
2007-03-31 165307
2007-06-30 6311
2007-09-30 197425
2007-12-31 91997
2008-03-31 134682
2008-06-30 -289955
2008-09-30 107988
2008-12-31 -286099
2009-03-31 -50591
2009-06-30 -118369
2009-09-30 -47932
2009-12-31 -11494
2010-03-31 798
2010-06-30 1508
2010-09-30 70410
2010-12-31 83122
2011-03-31 -5696
2011-06-30 -16268
2011-09-30 23346
2011-12-31 18328
2012-03-31 -16562
2012-06-30 -243029
2012-09-30 45377
2012-12-31 -51306
2013-03-31 -28950
2013-06-30 -31947
2013-09-30 -78271
2013-12-31 -23374
2014-03-31 -16070
2014-06-30 2578
2014-09-30 28588
2014-12-31 -21528
2015-03-31 -56566
2015-06-30 -31218
2015-09-30 -7662
2015-12-31 -30217
2016-03-31 -3626
2016-06-30 56501
2016-09-30 -10176
2016-12-31 -64913
2017-03-31 42645
2017-06-30 21795
2017-09-30 70213
2017-12-31 146131
2018-03-31 7828
2018-06-30 -194003
2018-09-30 -56903
2018-12-31 163770
2019-03-31 24762
2019-06-30 10093
2019-09-30 -3228
2019-12-31 40968
2020-03-31 252130
2020-06-30 -184352
2020-09-30 33843
2020-12-31 173712
2021-03-31 33978
2021-06-30 -77107
2021-09-30 52092
2021-12-31 23539
2022-03-31 88415
2022-06-30 -19867
2022-09-30 -15356
2022-12-31 -36950
2023-03-31 53098
2023-06-30 -4706
2023-09-30 32318