Quarterly US dollars
1999-03-31 2169
1999-06-30 2628
1999-09-30 3414
1999-12-31 3352
2000-03-31 3164
2000-06-30 4309
2000-09-30 3796
2000-12-31 3397
2001-03-31 5565
2001-06-30 5000
2001-09-30 5301
2001-12-31 7063
2002-03-31 8109
2002-06-30 6921
2002-09-30 9553
2002-12-31 8512
2003-03-31 7916
2003-06-30 10987
2003-09-30 5773
2003-12-31 4637
2004-03-31 4356
2004-06-30 4757
2004-09-30 6532
2004-12-31 5734
2005-03-31 6285
2005-06-30 6079
2005-09-30 6031
2005-12-31 6141
2006-03-31 5964
2006-06-30 6962
2006-09-30 6796
2006-12-31 8131
2007-03-31 6471
2007-06-30 7324
2007-09-30 7376
2007-12-31 9117
2008-03-31 11175
2008-06-30 11766
2008-09-30 10398
2008-12-31 6727
2009-03-31 7199
2009-06-30 9896
2009-09-30 10164
2009-12-31 8575
2010-03-31 8488
2010-06-30 9866
2010-09-30 9235
2010-12-31 8034
2011-03-31 9220
2011-06-30 7284
2011-09-30 14193
2011-12-31 12100
2012-03-31 14452
2012-06-30 15199
2012-09-30 14438
2012-12-31 17314
2013-03-31 14820
2013-06-30 15301
2013-09-30 13901
2013-12-31 14138
2014-03-31 14121
2014-06-30 15864
2014-09-30 13986
2014-12-31 14472
2015-03-31 14760
2015-06-30 13051
2015-09-30 13390
2015-12-31 10383
2016-03-31 10857
2016-06-30 8841
2016-09-30 9219
2016-12-31 7896
2017-03-31 6792
2017-06-30 5483
2017-09-30 4764
2017-12-31 5295
2018-03-31 5755
2018-06-30 5263
2018-09-30 4543
2018-12-31 8237
2019-03-31 8588
2019-06-30 6956
2019-09-30 6084
2019-12-31 4330
2020-03-31 6613
2020-06-30 5309
2020-09-30 6469
2020-12-31 3234
2021-03-31 5478
2021-06-30 5235
2021-09-30 9039
2021-12-31 3440
2022-03-31 6978
2022-06-30 6878
2022-09-30 7671
2022-12-31 4558
2023-03-31 7065
2023-06-30 7782
2023-09-30 7307