Quarterly US dollars
1999-03-31 169845
1999-06-30 159089
1999-09-30 161915
1999-12-31 162801
2000-03-31 183191
2000-06-30 187265
2000-09-30 177848
2000-12-31 200446
2001-03-31 238174
2001-06-30 210652
2001-09-30 216936
2001-12-31 188550
2002-03-31 180672
2002-06-30 191081
2002-09-30 204179
2002-12-31 217012
2003-03-31 223248
2003-06-30 249000
2003-09-30 235654
2003-12-31 278991
2004-03-31 296751
2004-06-30 285895
2004-09-30 296395
2004-12-31 298835
2005-03-31 324808
2005-06-30 298003
2005-09-30 303023
2005-12-31 260252
2006-03-31 310869
2006-06-30 311869
2006-09-30 304300
2006-12-31 289155
2007-03-31 336020
2007-06-30 329950
2007-09-30 378988
2007-12-31 336929
2008-03-31 432611
2008-06-30 377318
2008-09-30 390092
2008-12-31 374807
2009-03-31 322351
2009-06-30 350355
2009-09-30 312345
2009-12-31 310618
2010-03-31 307162
2010-06-30 319627
2010-09-30 341816
2010-12-31 326120
2011-03-31 310186
2011-06-30 294708
2011-09-30 381635
2011-12-31 291831
2012-03-31 496494
2012-06-30 439773
2012-09-30 441822
2012-12-31 385881
2013-03-31 313227
2013-06-30 294863
2013-09-30 248245
2013-12-31 219893
2014-03-31 238894
2014-06-30 217549
2014-09-30 209746
2014-12-31 208249
2015-03-31 226958
2015-06-30 234937
2015-09-30 228499
2015-12-31 232494
2016-03-31 244647
2016-06-30 296470
2016-09-30 306806
2016-12-31 311496
2017-03-31 336588
2017-06-30 343469
2017-09-30 328790
2017-12-31 351333
2018-03-31 357535
2018-06-30 365773
2018-09-30 360227
2018-12-31 284610
2019-03-31 327372
2019-06-30 338561
2019-09-30 348420
2019-12-31 266839
2020-03-31 318913
2020-06-30 343244
2020-09-30 397988
2020-12-31 395220
2021-03-31 501475
2021-06-30 519385
2021-09-30 476633
2021-12-31 450708
2022-03-31 500810
2022-06-30 482002
2022-09-30 465589
2022-12-31 430893
2023-03-31 473965
2023-06-30 453974
2023-09-30 411257