Quarterly US dollars
1999-03-31 2959
1999-06-30 3164
1999-09-30 4172
1999-12-31 3281
2000-03-31 2932
2000-06-30 3612
2000-09-30 4027
2000-12-31 4325
2001-03-31 3223
2001-06-30 3455
2001-09-30 2776
2001-12-31 3115
2002-03-31 3703
2002-06-30 4446
2002-09-30 4239
2002-12-31 4751
2003-03-31 5001
2003-06-30 4262
2003-09-30 3298
2003-12-31 5196
2004-03-31 6266
2004-06-30 4098
2004-09-30 4347
2004-12-31 4176
2005-03-31 4449
2005-06-30 3267
2005-09-30 5237
2005-12-31 4901
2006-03-31 4962
2006-06-30 4320
2006-09-30 3771
2006-12-31 4661
2007-03-31 4584
2007-06-30 6274
2007-09-30 6679
2007-12-31 10371
2008-03-31 11864
2008-06-30 9175
2008-09-30 10499
2008-12-31 7611
2009-03-31 9452
2009-06-30 8568
2009-09-30 8560
2009-12-31 8285
2010-03-31 8550
2010-06-30 9806
2010-09-30 9027
2010-12-31 10617
2011-03-31 9569
2011-06-30 9582
2011-09-30 7573
2011-12-31 8865
2012-03-31 8451
2012-06-30 8917
2012-09-30 7741
2012-12-31 7133
2013-03-31 5523
2013-06-30 4819
2013-09-30 6072
2013-12-31 5230
2014-03-31 8826
2014-06-30 7379
2014-09-30 8894
2014-12-31 9215
2015-03-31 10365
2015-06-30 10495
2015-09-30 12676
2015-12-31 8096
2016-03-31 10275
2016-06-30 10318
2016-09-30 11348
2016-12-31 8720
2017-03-31 7539
2017-06-30 6588
2017-09-30 11758
2017-12-31 11263
2018-03-31 12359
2018-06-30 11143
2018-09-30 9108
2018-12-31 9668
2019-03-31 9063
2019-06-30 7788
2019-09-30 7539
2019-12-31 6746
2020-03-31 6458
2020-06-30 5932
2020-09-30 6356
2020-12-31 7888
2021-03-31 6730
2021-06-30 5888
2021-09-30 6267
2021-12-31 6407
2022-03-31 6201
2022-06-30 6430
2022-09-30 5284
2022-12-31 4891
2023-03-31 5054
2023-06-30 5284
2023-09-30 6203