Quarterly US dollars
1999-09-30 3028
1999-12-31 1497
2000-03-31 1808
2000-06-30 1277
2000-09-30 1453
2000-12-31 1761
2001-03-31 971
2001-06-30 952
2001-09-30 853
2001-12-31 694
2002-03-31 992
2002-06-30 921
2002-09-30 1209
2002-12-31 2368
2003-03-31 2897
2003-06-30 3581
2003-09-30 3536
2003-12-31 4669
2004-03-31 4158
2004-06-30 5912
2004-09-30 8707
2004-12-31 10322
2005-03-31 11438
2005-06-30 15492
2005-09-30 15473
2005-12-31 15409
2006-03-31 14427
2006-06-30 14304
2006-09-30 15180
2006-12-31 15628
2007-03-31 12795
2007-06-30 14251
2007-09-30 15439
2007-12-31 19637
2008-03-31 19095
2008-06-30 9402
2008-09-30 33736
2008-12-31 35654
2009-03-31 16789
2009-06-30 8325
2009-09-30 7091
2009-12-31 6222
2010-03-31 8384
2010-06-30 10539
2010-09-30 9962
2010-12-31 13037
2011-03-31 11107
2011-06-30 9201
2011-09-30 13617
2011-12-31 13196
2012-03-31 12875
2012-06-30 15247
2012-09-30 16558
2012-12-31 17132
2013-03-31 14704
2013-06-30 14018
2013-09-30 10362
2013-12-31 9793
2014-03-31 7576
2014-06-30 9684
2014-09-30 9608
2014-12-31 9741
2015-03-31 10124
2015-06-30 8761
2015-09-30 6168
2015-12-31 6885
2016-03-31 7681
2016-06-30 4676
2016-09-30 5177
2016-12-31 3583
2017-03-31 1537
2017-06-30 2689
2017-09-30 3155
2017-12-31 6787
2018-03-31 4811
2018-06-30 5207
2018-09-30 2401
2018-12-31 3614
2019-03-31 988
2019-06-30 1346
2019-09-30 3040
2019-12-31 3472
2020-03-31 1278
2020-06-30 826
2020-09-30 1583
2020-12-31 2323
2021-03-31 1270
2021-06-30 913
2021-09-30 1084
2021-12-31 2012
2022-03-31 2259
2022-06-30 2196
2022-09-30 1261
2022-12-31 1099
2023-03-31 2191
2023-06-30 4331
2023-09-30 4881
2023-12-31 4687