Quarterly US dollars
1986-09-30 355
1986-12-31 316
1987-03-31 293
1987-06-30 302
1987-09-30 329
1987-12-31 332
1988-03-31 321
1988-06-30 290
1988-09-30 329
1988-12-31 339
1989-03-31 266
1989-06-30 217
1989-09-30 195
1989-12-31 204
1990-03-31 206
1990-06-30 277
1990-09-30 227
1990-12-31 255
1991-03-31 244
1991-06-30 260
1991-09-30 304
1991-12-31 350
1992-03-31 235
1992-06-30 287
1992-09-30 299
1992-12-31 308
1993-03-31 307
1993-06-30 277
1993-09-30 288
1993-12-31 357
1994-03-31 327
1994-06-30 308
1994-09-30 339
1994-12-31 421
1995-03-31 378
1995-06-30 278
1995-09-30 399
1995-12-31 520
1996-03-31 414
1996-06-30 485
1996-09-30 421
1996-12-31 589
1997-03-31 482
1997-06-30 414
1997-09-30 468
1997-12-31 626
1998-03-31 634
1998-06-30 638
1998-09-30 764
1998-12-31 726
1999-03-31 674
1999-06-30 677
1999-09-30 559
1999-12-31 671
2000-03-31 563
2000-06-30 548
2000-09-30 448
2000-12-31 508
2001-03-31 359
2001-06-30 288
2001-09-30 208
2001-12-31 359
2002-03-31 303
2002-06-30 214
2002-09-30 261
2002-12-31 438
2003-03-31 325
2003-06-30 270
2003-09-30 247
2003-12-31 519
2004-03-31 445
2004-06-30 304
2004-09-30 236
2004-12-31 559
2005-03-31 502
2005-06-30 349
2005-09-30 353
2005-12-31 672
2006-03-31 646
2006-06-30 506
2006-09-30 569
2006-12-31 789
2007-03-31 648
2007-06-30 1069
2007-09-30 945
2007-12-31 1220
2008-03-31 1251
2008-06-30 863
2008-09-30 1024
2008-12-31 838
2009-03-31 758
2009-06-30 651
2009-09-30 681
2009-12-31 1166
2010-03-31 1540
2010-06-30 1277
2010-09-30 1347
2010-12-31 1739
2011-03-31 1430
2011-06-30 1150
2011-09-30 1119
2011-12-31 1709
2012-03-31 1327
2012-06-30 1643
2012-09-30 1616
2012-12-31 2359
2013-03-31 2528
2013-06-30 2407
2013-09-30 2869
2013-12-31 3051
2014-03-31 3364
2014-06-30 2956
2014-09-30 2986
2014-12-31 2857
2015-03-31 3024
2015-06-30 3028
2015-09-30 2863
2015-12-31 3078
2016-03-31 2737
2016-06-30 2837
2016-09-30 2800
2016-12-31 2970
2017-03-31 3767
2017-06-30 3253
2017-09-30 2915
2017-12-31 3510
2018-03-31 3819
2018-06-30 2856
2018-09-30 2628
2018-12-31 3459
2019-03-31 4368
2019-06-30 3601
2019-09-30 3654
2019-12-31 4121
2020-03-31 3823
2020-06-30 3597
2020-09-30 4155
2020-12-31 4470
2021-03-31 4786
2021-06-30 4874
2021-09-30 4572
2021-12-31 4760
2022-03-31 5857
2022-06-30 4142
2022-09-30 3847
2022-12-31 3911
2023-03-31 3326
2023-06-30 2363
2023-09-30 1881