Quarter	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