Quarterly US dollars
1999-03-31 1482569
1999-06-30 1445314
1999-09-30 1524981
1999-12-31 1488371
2000-03-31 1607058
2000-06-30 1625350
2000-09-30 1615150
2000-12-31 1722672
2001-03-31 1830518
2001-06-30 1736280
2001-09-30 1817867
2001-12-31 1827665
2002-03-31 1741880
2002-06-30 1865621
2002-09-30 1921835
2002-12-31 2076562
2003-03-31 2188846
2003-06-30 2357677
2003-09-30 2320716
2003-12-31 2503233
2004-03-31 2788851
2004-06-30 2754478
2004-09-30 2820051
2004-12-31 2988979
2005-03-31 3149464
2005-06-30 3181453
2005-09-30 3205711
2005-12-31 3178396
2006-03-31 3510676
2006-06-30 3666523
2006-09-30 3830349
2006-12-31 3970274
2007-03-31 4552441
2007-06-30 4723361
2007-09-30 5056286
2007-12-31 5249693
2008-03-31 5779550
2008-06-30 5216645
2008-09-30 5008895
2008-12-31 4460836
2009-03-31 4276121
2009-06-30 4398170
2009-09-30 4368382
2009-12-31 4211252
2010-03-31 4223794
2010-06-30 4075689
2010-09-30 4446025
2010-12-31 4220140
2011-03-31 4400317
2011-06-30 4419434
2011-09-30 4684398
2011-12-31 4433048
2012-03-31 4615195
2012-06-30 4363221
2012-09-30 4342726
2012-12-31 4225362
2013-03-31 4006303
2013-06-30 3938065
2013-09-30 3764084
2013-12-31 3676811
2014-03-31 3709447
2014-06-30 3701656
2014-09-30 3592728
2014-12-31 3516868
2015-03-31 3384567
2015-06-30 3323276
2015-09-30 3322196
2015-12-31 3254718
2016-03-31 3291050
2016-06-30 3359571
2016-09-30 3360860
2016-12-31 3181114
2017-03-31 3226313
2017-06-30 3356635
2017-09-30 3517999
2017-12-31 3639366
2018-03-31 3827997
2018-06-30 3603491
2018-09-30 3527948
2018-12-31 3643873
2019-03-31 3572391
2019-06-30 3578539
2019-09-30 3565366
2019-12-31 3540839
2020-03-31 3966735
2020-06-30 3742694
2020-09-30 3857949
2020-12-31 4040226
2021-03-31 4038767
2021-06-30 4041177
2021-09-30 3988198
2021-12-31 4057549
2022-03-31 4202594
2022-06-30 4128458
2022-09-30 4049160
2022-12-31 3999501
2023-03-31 4094499
2023-06-30 4026044
2023-09-30 4086059