Quarterly US dollars
1999-03-31 12502
1999-06-30 14234
1999-09-30 15497
1999-12-31 14389
2000-03-31 17454
2000-06-30 20534
2000-09-30 24861
2000-12-31 20684
2001-03-31 22109
2001-06-30 24912
2001-09-30 21670
2001-12-31 23457
2002-03-31 22770
2002-06-30 26413
2002-09-30 27463
2002-12-31 30201
2003-03-31 30057
2003-06-30 29994
2003-09-30 31017
2003-12-31 37429
2004-03-31 41093
2004-06-30 47943
2004-09-30 52269
2004-12-31 56127
2005-03-31 72783
2005-06-30 84587
2005-09-30 87177
2005-12-31 100240
2006-03-31 115542
2006-06-30 131997
2006-09-30 138969
2006-12-31 134441
2007-03-31 156205
2007-06-30 137473
2007-09-30 165166
2007-12-31 156700
2008-03-31 138511
2008-06-30 144243
2008-09-30 161059
2008-12-31 51899
2009-03-31 55271
2009-06-30 48285
2009-09-30 50640
2009-12-31 41158
2010-03-31 49048
2010-06-30 38415
2010-09-30 46610
2010-12-31 44629
2011-03-31 56846
2011-06-30 50770
2011-09-30 48731
2011-12-31 48623
2012-03-31 47943
2012-06-30 50388
2012-09-30 53538
2012-12-31 40557
2013-03-31 55462
2013-06-30 54424
2013-09-30 46508
2013-12-31 48251
2014-03-31 49297
2014-06-30 44954
2014-09-30 35972
2014-12-31 26834
2015-03-31 32981
2015-06-30 32515
2015-09-30 40728
2015-12-31 30102
2016-03-31 26997
2016-06-30 36471
2016-09-30 33708
2016-12-31 31658
2017-03-31 36334
2017-06-30 30992
2017-09-30 26999
2017-12-31 27312
2018-03-31 33228
2018-06-30 26992
2018-09-30 33787
2018-12-31 39598
2019-03-31 38615
2019-06-30 38464
2019-09-30 34221
2019-12-31 38778
2020-03-31 38023
2020-06-30 29411
2020-09-30 28635
2020-12-31 30776
2021-03-31 19578
2021-06-30 24392
2021-09-30 24685
2021-12-31 23641
2022-03-31 22969
2022-06-30 25181
2022-09-30 27349
2022-12-31 22178
2023-03-31 20810
2023-06-30 24570
2023-09-30 26698