Quarterly US dollars
1999-03-31 34301
1999-06-30 34269
1999-09-30 33270
1999-12-31 34089
2000-03-31 36496
2000-06-30 36180
2000-09-30 33065
2000-12-31 36966
2001-03-31 38593
2001-06-30 31010
2001-09-30 37708
2001-12-31 34273
2002-03-31 32932
2002-06-30 39040
2002-09-30 39428
2002-12-31 40206
2003-03-31 42167
2003-06-30 43177
2003-09-30 43642
2003-12-31 51897
2004-03-31 53058
2004-06-30 45555
2004-09-30 42263
2004-12-31 50065
2005-03-31 48667
2005-06-30 42913
2005-09-30 55220
2005-12-31 46079
2006-03-31 50519
2006-06-30 52773
2006-09-30 54930
2006-12-31 52264
2007-03-31 63185
2007-06-30 59352
2007-09-30 61192
2007-12-31 67207
2008-03-31 78506
2008-06-30 87925
2008-09-30 88714
2008-12-31 100829
2009-03-31 53090
2009-06-30 53500
2009-09-30 48373
2009-12-31 51488
2010-03-31 54286
2010-06-30 35627
2010-09-30 38866
2010-12-31 35204
2011-03-31 36888
2011-06-30 37968
2011-09-30 39354
2011-12-31 42628
2012-03-31 42574
2012-06-30 42230
2012-09-30 45962
2012-12-31 45458
2013-03-31 34129
2013-06-30 36431
2013-09-30 39260
2013-12-31 48837
2014-03-31 48850
2014-06-30 57108
2014-09-30 54625
2014-12-31 51356
2015-03-31 50397
2015-06-30 53855
2015-09-30 51517
2015-12-31 40145
2016-03-31 38186
2016-06-30 43481
2016-09-30 41242
2016-12-31 38656
2017-03-31 43163
2017-06-30 44432
2017-09-30 49713
2017-12-31 42045
2018-03-31 40947
2018-06-30 35321
2018-09-30 42502
2018-12-31 34647
2019-03-31 33901
2019-06-30 31931
2019-09-30 35343
2019-12-31 32625
2020-03-31 41587
2020-06-30 34811
2020-09-30 34409
2020-12-31 44444
2021-03-31 35266
2021-06-30 34339
2021-09-30 36605
2021-12-31 29661
2022-03-31 17515
2022-06-30 14529
2022-09-30 14679
2022-12-31 16356
2023-03-31 14917
2023-06-30 14946
2023-09-30 15120