Quarterly US dollars
1999-03-31 1887
1999-06-30 1560
1999-09-30 1297
1999-12-31 1374
2000-03-31 1348
2000-06-30 1394
2000-09-30 1465
2000-12-31 1214
2001-03-31 1254
2001-06-30 1439
2001-09-30 1204
2001-12-31 1297
2002-03-31 1913
2002-06-30 2361
2002-09-30 1383
2002-12-31 1016
2003-03-31 3757
2003-06-30 2295
2003-09-30 2612
2003-12-31 1404
2004-03-31 3948
2004-06-30 1497
2004-09-30 2980
2004-12-31 2700
2005-03-31 3268
2005-06-30 3383
2005-09-30 2795
2005-12-31 2299
2006-03-31 1383
2006-06-30 1748
2006-09-30 3554
2006-12-31 2646
2007-03-31 3075
2007-06-30 4218
2007-09-30 5364
2007-12-31 6108
2008-03-31 5393
2008-06-30 4390
2008-09-30 6612
2008-12-31 4337
2009-03-31 2184
2009-06-30 2070
2009-09-30 1635
2009-12-31 2272
2010-03-31 2675
2010-06-30 2538
2010-09-30 3642
2010-12-31 3072
2011-03-31 4578
2011-06-30 6814
2011-09-30 7718
2011-12-31 8234
2012-03-31 8607
2012-06-30 10428
2012-09-30 9446
2012-12-31 8119
2013-03-31 10891
2013-06-30 10807
2013-09-30 11964
2013-12-31 13094
2014-03-31 15895
2014-06-30 13824
2014-09-30 14268
2014-12-31 13407
2015-03-31 12645
2015-06-30 10487
2015-09-30 10330
2015-12-31 8629
2016-03-31 7817
2016-06-30 8663
2016-09-30 7707
2016-12-31 7167
2017-03-31 6736
2017-06-30 13145
2017-09-30 13069
2017-12-31 13523
2018-03-31 14518
2018-06-30 9791
2018-09-30 10335
2018-12-31 9867
2019-03-31 10320
2019-06-30 11252
2019-09-30 9704
2019-12-31 9976
2020-03-31 11200
2020-06-30 9658
2020-09-30 12924
2020-12-31 11921
2021-03-31 12594
2021-06-30 12043
2021-09-30 12777
2021-12-31 11288
2022-03-31 10614
2022-06-30 10011
2022-09-30 9684
2022-12-31 11499
2023-03-31 11832
2023-06-30 11452
2023-09-30 9823