Quarterly US dollars
1999-03-31 1148874
1999-06-30 1129172
1999-09-30 1197971
1999-12-31 1158516
2000-03-31 1261073
2000-06-30 1280400
2000-09-30 1255913
2000-12-31 1344243
2001-03-31 1439194
2001-06-30 1369419
2001-09-30 1437394
2001-12-31 1436795
2002-03-31 1438326
2002-06-30 1550576
2002-09-30 1598677
2002-12-31 1725669
2003-03-31 1850336
2003-06-30 2010233
2003-09-30 1958726
2003-12-31 2079701
2004-03-31 2299592
2004-06-30 2287418
2004-09-30 2351622
2004-12-31 2544134
2005-03-31 2701566
2005-06-30 2676380
2005-09-30 2739344
2005-12-31 2660096
2006-03-31 2965287
2006-06-30 3078935
2006-09-30 3100565
2006-12-31 3174003
2007-03-31 3671259
2007-06-30 3766374
2007-09-30 4016706
2007-12-31 4259763
2008-03-31 4710977
2008-06-30 4227551
2008-09-30 4054780
2008-12-31 3606277
2009-03-31 3478363
2009-06-30 3501766
2009-09-30 3504516
2009-12-31 3452174
2010-03-31 3462859
2010-06-30 3334457
2010-09-30 3534497
2010-12-31 3485634
2011-03-31 3591386
2011-06-30 3623856
2011-09-30 3690180
2011-12-31 3565698
2012-03-31 3698400
2012-06-30 3550188
2012-09-30 3631036
2012-12-31 3629069
2013-03-31 3450601
2013-06-30 3384176
2013-09-30 3259287
2013-12-31 3232467
2014-03-31 3209270
2014-06-30 3194976
2014-09-30 3043187
2014-12-31 2931948
2015-03-31 2786560
2015-06-30 2734952
2015-09-30 2651895
2015-12-31 2603923
2016-03-31 2604671
2016-06-30 2654848
2016-09-30 2539128
2016-12-31 2418184
2017-03-31 2490018
2017-06-30 2661563
2017-09-30 2704972
2017-12-31 2818371
2018-03-31 2930608
2018-06-30 2760208
2018-09-30 2706986
2018-12-31 2775185
2019-03-31 2832613
2019-06-30 2803018
2019-09-30 2851223
2019-12-31 2790001
2020-03-31 3104426
2020-06-30 2992904
2020-09-30 3142067
2020-12-31 3411945
2021-03-31 3403794
2021-06-30 3316736
2021-09-30 3265547
2021-12-31 3327365
2022-03-31 3423643
2022-06-30 3314012
2022-09-30 3155403
2022-12-31 3196384
2023-03-31 3234199
2023-06-30 3179686
2023-09-30 3188854