Quarterly US dollars
1999-03-31 2604
1999-06-30 2224
1999-09-30 1857
1999-12-31 1242
2000-03-31 1511
2000-06-30 1403
2000-09-30 1366
2000-12-31 1375
2001-03-31 1093
2001-06-30 1150
2001-09-30 1624
2001-12-31 1743
2002-03-31 2489
2002-06-30 3401
2002-09-30 2641
2002-12-31 3170
2003-03-31 3316
2003-06-30 3570
2003-09-30 3770
2003-12-31 4052
2004-03-31 1558
2004-06-30 1208
2004-09-30 1407
2004-12-31 1988
2005-03-31 1891
2005-06-30 1874
2005-09-30 1679
2005-12-31 329
2006-03-31 648
2006-06-30 399
2006-09-30 300
2006-12-31 583
2007-03-31 809
2007-06-30 655
2007-09-30 625
2007-12-31 110
2008-03-31 28
2008-06-30 396
2008-09-30 323
2008-12-31 2387
2009-03-31 5523
2009-06-30 3411
2009-09-30 1535
2009-12-31 1227
2010-03-31 1781
2010-06-30 1036
2010-09-30 861
2010-12-31 1168
2011-03-31 1447
2011-06-30 1507
2011-09-30 1447
2011-12-31 3660
2012-03-31 5077
2012-06-30 4420
2012-09-30 4751
2012-12-31 5255
2013-03-31 5683
2013-06-30 6522
2013-09-30 8109
2013-12-31 7083
2014-03-31 68581
2014-06-30 68277
2014-09-30 69392
2014-12-31 68709
2015-03-31 72268
2015-06-30 78528
2015-09-30 79717
2015-12-31 75969
2016-03-31 77380
2016-06-30 73655
2016-09-30 71921
2016-12-31 63516
2017-03-31 62420
2017-06-30 61371
2017-09-30 57294
2017-12-31 53342
2018-03-31 56103
2018-06-30 50930
2018-09-30 58204
2018-12-31 55210
2019-03-31 67932
2019-06-30 71469
2019-09-30 71700
2019-12-31 68059
2020-03-31 72472
2020-06-30 72528
2020-09-30 76521
2020-12-31 75590
2021-03-31 76420
2021-06-30 82266
2021-09-30 79417
2021-12-31 73164
2022-03-31 77840
2022-06-30 74919
2022-09-30 70207
2022-12-31 73455
2023-03-31 77351
2023-06-30 81352
2023-09-30 84361