Quarterly US dollars
1999-03-31 2214
1999-06-30 2289
1999-09-30 2650
1999-12-31 2070
2000-03-31 2217
2000-06-30 2215
2000-09-30 2251
2000-12-31 2447
2001-03-31 2468
2001-06-30 2623
2001-09-30 2916
2001-12-31 3890
2002-03-31 4408
2002-06-30 4665
2002-09-30 3383
2002-12-31 3667
2003-03-31 3723
2003-06-30 3803
2003-09-30 3544
2003-12-31 3609
2004-03-31 3869
2004-06-30 3824
2004-09-30 4111
2004-12-31 4017
2005-03-31 4273
2005-06-30 4400
2005-09-30 9044
2005-12-31 9411
2006-03-31 9839
2006-06-30 9859
2006-09-30 9898
2006-12-31 10129
2007-03-31 9978
2007-06-30 9852
2007-09-30 9963
2007-12-31 9972
2008-03-31 10121
2008-06-30 9899
2008-09-30 7754
2008-12-31 5184
2009-03-31 5796
2009-06-30 5745
2009-09-30 7566
2009-12-31 7370
2010-03-31 8055
2010-06-30 8010
2010-09-30 8019
2010-12-31 8652
2011-03-31 8897
2011-06-30 7754
2011-09-30 7868
2011-12-31 7241
2012-03-31 5277
2012-06-30 4296
2012-09-30 4321
2012-12-31 4736
2013-03-31 3775
2013-06-30 4185
2013-09-30 3979
2013-12-31 4795
2014-03-31 5506
2014-06-30 5682
2014-09-30 6304
2014-12-31 6359
2015-03-31 7188
2015-06-30 8724
2015-09-30 8211
2015-12-31 5505
2016-03-31 4368
2016-06-30 2780
2016-09-30 3289
2016-12-31 4479
2017-03-31 5312
2017-06-30 4296
2017-09-30 4477
2017-12-31 4627
2018-03-31 6511
2018-06-30 5850
2018-09-30 5501
2018-12-31 3690
2019-03-31 2952
2019-06-30 4085
2019-09-30 4129
2019-12-31 4796
2020-03-31 4902
2020-06-30 4598
2020-09-30 4780
2020-12-31 4743
2021-03-31 5007
2021-06-30 6544
2021-09-30 7066
2021-12-31 8955
2022-03-31 10171
2022-06-30 13172
2022-09-30 13072
2022-12-31 12869
2023-03-31 13033
2023-06-30 13900
2023-09-30 12733