Quarterly US dollars
1999-09-30 3707
1999-12-31 3462
2000-03-31 3281
2000-06-30 3274
2000-09-30 3027
2000-12-31 3238
2001-03-31 3473
2001-06-30 3881
2001-09-30 4620
2001-12-31 5501
2002-03-31 5915
2002-06-30 7251
2002-09-30 7365
2002-12-31 7780
2003-03-31 10011
2003-06-30 10438
2003-09-30 10696
2003-12-31 9234
2004-03-31 11332
2004-06-30 11259
2004-09-30 9057
2004-12-31 9553
2005-03-31 11237
2005-06-30 11696
2005-09-30 11334
2005-12-31 9806
2006-03-31 9117
2006-06-30 8691
2006-09-30 8025
2006-12-31 8451
2007-03-31 8532
2007-06-30 8476
2007-09-30 8927
2007-12-31 8074
2008-03-31 9719
2008-06-30 8920
2008-09-30 6641
2008-12-31 5609
2009-03-31 6987
2009-06-30 6748
2009-09-30 6534
2009-12-31 6484
2010-03-31 7136
2010-06-30 5832
2010-09-30 6194
2010-12-31 6120
2011-03-31 7228
2011-06-30 6454
2011-09-30 6214
2011-12-31 6091
2012-03-31 6762
2012-06-30 5855
2012-09-30 5942
2012-12-31 5929
2013-03-31 5848
2013-06-30 5775
2013-09-30 10703
2013-12-31 10617
2014-03-31 11659
2014-06-30 10506
2014-09-30 10142
2014-12-31 9845
2015-03-31 9272
2015-06-30 8687
2015-09-30 10747
2015-12-31 10286
2016-03-31 10523
2016-06-30 12209
2016-09-30 11128
2016-12-31 10797
2017-03-31 9712
2017-06-30 10123
2017-09-30 10730
2017-12-31 11783
2018-03-31 10461
2018-06-30 8739
2018-09-30 8295
2018-12-31 8384
2019-03-31 6757
2019-06-30 6355
2019-09-30 6229
2019-12-31 9678
2020-03-31 5780
2020-06-30 15784
2020-09-30 16508
2020-12-31 17204
2021-03-31 17063
2021-06-30 14789
2021-09-30 14850
2021-12-31 16011
2022-03-31 14529
2022-06-30 10765
2022-09-30 6198
2022-12-31 6020
2023-03-31 6209
2023-06-30 6360
2023-09-30 6414
2023-12-31 7798