Quarterly US dollars
1999-03-31 1797
1999-06-30 1852
1999-09-30 1943
1999-12-31 2840
2000-03-31 2495
2000-06-30 2694
2000-09-30 2851
2000-12-31 2908
2001-03-31 2979
2001-06-30 3061
2001-09-30 3318
2001-12-31 3746
2002-03-31 3545
2002-06-30 4096
2002-09-30 4276
2002-12-31 4523
2003-03-31 4321
2003-06-30 4729
2003-09-30 4815
2003-12-31 5230
2004-03-31 5439
2004-06-30 5997
2004-09-30 5959
2004-12-31 6502
2005-03-31 8484
2005-06-30 7745
2005-09-30 7627
2005-12-31 6530
2006-03-31 8598
2006-06-30 9238
2006-09-30 12029
2006-12-31 10266
2007-03-31 14429
2007-06-30 15701
2007-09-30 15990
2007-12-31 18584
2008-03-31 19348
2008-06-30 17720
2008-09-30 16964
2008-12-31 14255
2009-03-31 13614
2009-06-30 14427
2009-09-30 14719
2009-12-31 14389
2010-03-31 13291
2010-06-30 13007
2010-09-30 13727
2010-12-31 11997
2011-03-31 11408
2011-06-30 9276
2011-09-30 8224
2011-12-31 9089
2012-03-31 10112
2012-06-30 9174
2012-09-30 10096
2012-12-31 10463
2013-03-31 10019
2013-06-30 9322
2013-09-30 10159
2013-12-31 10210
2014-03-31 11144
2014-06-30 11459
2014-09-30 12355
2014-12-31 12974
2015-03-31 13222
2015-06-30 11971
2015-09-30 13601
2015-12-31 12372
2016-03-31 13608
2016-06-30 12299
2016-09-30 14425
2016-12-31 13925
2017-03-31 14892
2017-06-30 18065
2017-09-30 16691
2017-12-31 13361
2018-03-31 15792
2018-06-30 14953
2018-09-30 15867
2018-12-31 15379
2019-03-31 14130
2019-06-30 13901
2019-09-30 13875
2019-12-31 14757
2020-03-31 13746
2020-06-30 13223
2020-09-30 15843
2020-12-31 15568
2021-03-31 16109
2021-06-30 16696
2021-09-30 16776
2021-12-31 16515
2022-03-31 18349
2022-06-30 17050
2022-09-30 20211
2022-12-31 20547
2023-03-31 21285
2023-06-30 20798
2023-09-30 19177