Quarterly US dollars
1999-03-31 302216
1999-06-30 296956
1999-09-30 292239
1999-12-31 271344
2000-03-31 308086
2000-06-30 309339
2000-09-30 288778
2000-12-31 285761
2001-03-31 326459
2001-06-30 320682
2001-09-30 325344
2001-12-31 323751
2002-03-31 348382
2002-06-30 358573
2002-09-30 386131
2002-12-31 393345
2003-03-31 447525
2003-06-30 467069
2003-09-30 494081
2003-12-31 537795
2004-03-31 617867
2004-06-30 586400
2004-09-30 645046
2004-12-31 695055
2005-03-31 759214
2005-06-30 731399
2005-09-30 739587
2005-12-31 701387
2006-03-31 804568
2006-06-30 857336
2006-09-30 903802
2006-12-31 865090
2007-03-31 1001271
2007-06-30 1079759
2007-09-30 1130964
2007-12-31 1165208
2008-03-31 1279939
2008-06-30 1312014
2008-09-30 1256222
2008-12-31 987755
2009-03-31 1051688
2009-06-30 1055650
2009-09-30 1070094
2009-12-31 1013194
2010-03-31 1074006
2010-06-30 1075604
2010-09-30 1168114
2010-12-31 1176995
2011-03-31 1259396
2011-06-30 1311402
2011-09-30 1265725
2011-12-31 1218433
2012-03-31 1308735
2012-06-30 1294340
2012-09-30 1309952
2012-12-31 1318625
2013-03-31 1311781
2013-06-30 1390934
2013-09-30 1341248
2013-12-31 1295811
2014-03-31 1280451
2014-06-30 1250129
2014-09-30 1215558
2014-12-31 1184793
2015-03-31 1142694
2015-06-30 1139266
2015-09-30 1126010
2015-12-31 1056107
2016-03-31 1044110
2016-06-30 1115657
2016-09-30 1115768
2016-12-31 1051589
2017-03-31 1089442
2017-06-30 1159949
2017-09-30 1238758
2017-12-31 1336135
2018-03-31 1398935
2018-06-30 1306274
2018-09-30 1298449
2018-12-31 1385419
2019-03-31 1311166
2019-06-30 1258705
2019-09-30 1292453
2019-12-31 1314492
2020-03-31 1464124
2020-06-30 1357148
2020-09-30 1459283
2020-12-31 1546210
2021-03-31 1499162
2021-06-30 1487151
2021-09-30 1462912
2021-12-31 1510365
2022-03-31 1535609
2022-06-30 1478137
2022-09-30 1434775
2022-12-31 1440224
2023-03-31 1422875
2023-06-30 1377012
2023-09-30 1374436