Quarterly US dollars
1986-09-30 181
1986-12-31 159
1987-03-31 253
1987-06-30 459
1987-09-30 317
1987-12-31 256
1988-03-31 246
1988-06-30 209
1988-09-30 356
1988-12-31 438
1989-03-31 472
1989-06-30 430
1989-09-30 377
1989-12-31 271
1990-03-31 109
1990-06-30 61
1990-09-30 80
1990-12-31 64
1991-03-31 90
1991-06-30 109
1991-09-30 111
1991-12-31 138
1992-03-31 200
1992-06-30 208
1992-09-30 315
1992-12-31 296
1993-03-31 323
1993-06-30 258
1993-09-30 315
1993-12-31 249
1994-03-31 262
1994-06-30 309
1994-09-30 325
1994-12-31 362
1995-03-31 457
1995-06-30 471
1995-09-30 514
1995-12-31 554
1996-03-31 426
1996-06-30 309
1996-09-30 305
1996-12-31 314
1997-03-31 357
1997-06-30 427
1997-09-30 571
1997-12-31 793
1998-03-31 716
1998-06-30 799
1998-09-30 844
1998-12-31 515
1999-03-31 662
1999-06-30 601
1999-09-30 640
1999-12-31 481
2000-03-31 661
2000-06-30 677
2000-09-30 789
2000-12-31 669
2001-03-31 774
2001-06-30 517
2001-09-30 577
2001-12-31 572
2002-03-31 558
2002-06-30 580
2002-09-30 893
2002-12-31 653
2003-03-31 932
2003-06-30 1002
2003-09-30 917
2003-12-31 715
2004-03-31 1106
2004-06-30 1396
2004-09-30 1201
2004-12-31 996
2005-03-31 1146
2005-06-30 917
2005-09-30 995
2005-12-31 1372
2006-03-31 1893
2006-06-30 1791
2006-09-30 2282
2006-12-31 2191
2007-03-31 2292
2007-06-30 2120
2007-09-30 2594
2007-12-31 2535
2008-03-31 2266
2008-06-30 1689
2008-09-30 729
2008-12-31 451
2009-03-31 1014
2009-06-30 1345
2009-09-30 1349
2009-12-31 1899
2010-03-31 1922
2010-06-30 2163
2010-09-30 1709
2010-12-31 2061
2011-03-31 3097
2011-06-30 1517
2011-09-30 1849
2011-12-31 2068
2012-03-31 1614
2012-06-30 1412
2012-09-30 1240
2012-12-31 1099
2013-03-31 1015
2013-06-30 1009
2013-09-30 1502
2013-12-31 1656
2014-03-31 2569
2014-06-30 1800
2014-09-30 1407
2014-12-31 2540
2015-03-31 2853
2015-06-30 707
2015-09-30 2300
2015-12-31 1944
2016-03-31 2091
2016-06-30 2353
2016-09-30 2294
2016-12-31 2167
2017-03-31 2018
2017-06-30 2370
2017-09-30 2229
2017-12-31 2883
2018-03-31 2875
2018-06-30 2732
2018-09-30 2498
2018-12-31 2422
2019-03-31 3213
2019-06-30 3027
2019-09-30 2701
2019-12-31 2374
2020-03-31 1821
2020-06-30 1245
2020-09-30 608
2020-12-31 510
2021-03-31 674
2021-06-30 1139
2021-09-30 1362
2021-12-31 301
2022-03-31 281
2022-06-30 1932
2022-09-30 1790
2022-12-31 2452
2023-03-31 1821
2023-06-30 2744
2023-09-30 2478