Quarterly US dollars
1999-03-31 2607
1999-06-30 2598
1999-09-30 2680
1999-12-31 2007
2000-03-31 1875
2000-06-30 1751
2000-09-30 2157
2000-12-31 1962
2001-03-31 2038
2001-06-30 1816
2001-09-30 1986
2001-12-31 1755
2002-03-31 2007
2002-06-30 1920
2002-09-30 1934
2002-12-31 1960
2003-03-31 2254
2003-06-30 2414
2003-09-30 2529
2003-12-31 2160
2004-03-31 2622
2004-06-30 2489
2004-09-30 2298
2004-12-31 2614
2005-03-31 2586
2005-06-30 2579
2005-09-30 2558
2005-12-31 2378
2006-03-31 2738
2006-06-30 2643
2006-09-30 3148
2006-12-31 3173
2007-03-31 3415
2007-06-30 3028
2007-09-30 2922
2007-12-31 2703
2008-03-31 2796
2008-06-30 3403
2008-09-30 3121
2008-12-31 2218
2009-03-31 2149
2009-06-30 2226
2009-09-30 2593
2009-12-31 2625
2010-03-31 2855
2010-06-30 3017
2010-09-30 3942
2010-12-31 3160
2011-03-31 3827
2011-06-30 3183
2011-09-30 2982
2011-12-31 3274
2012-03-31 3381
2012-06-30 3701
2012-09-30 3696
2012-12-31 3404
2013-03-31 4062
2013-06-30 4166
2013-09-30 7094
2013-12-31 3922
2014-03-31 4833
2014-06-30 3545
2014-09-30 4717
2014-12-31 4026
2015-03-31 5770
2015-06-30 4940
2015-09-30 6401
2015-12-31 5374
2016-03-31 6840
2016-06-30 4793
2016-09-30 4802
2016-12-31 3734
2017-03-31 5793
2017-06-30 4546
2017-09-30 3894
2017-12-31 3568
2018-03-31 5493
2018-06-30 3836
2018-09-30 4785
2018-12-31 4200
2019-03-31 5574
2019-06-30 4527
2019-09-30 5038
2019-12-31 4683
2020-03-31 5669
2020-06-30 4773
2020-09-30 5221
2020-12-31 5503
2021-03-31 6220
2021-06-30 5693
2021-09-30 6765
2021-12-31 5081
2022-03-31 7342
2022-06-30 5467
2022-09-30 6548
2022-12-31 5046
2023-03-31 7338
2023-06-30 4836
2023-09-30 6136