Quarter	US dollars
1986-09-30	403
1986-12-31	375
1987-03-31	402
1987-06-30	452
1987-09-30	462
1987-12-31	509
1988-03-31	498
1988-06-30	482
1988-09-30	500
1988-12-31	520
1989-03-31	528
1989-06-30	525
1989-09-30	587
1989-12-31	560
1990-03-31	575
1990-06-30	672
1990-09-30	634
1990-12-31	696
1991-03-31	639
1991-06-30	686
1991-09-30	731
1991-12-31	808
1992-03-31	596
1992-06-30	680
1992-09-30	652
1992-12-31	539
1993-03-31	569
1993-06-30	497
1993-09-30	538
1993-12-31	672
1994-03-31	605
1994-06-30	807
1994-09-30	692
1994-12-31	661
1995-03-31	672
1995-06-30	671
1995-09-30	762
1995-12-31	664
1996-03-31	698
1996-06-30	724
1996-09-30	694
1996-12-31	614
1997-03-31	713
1997-06-30	610
1997-09-30	525
1997-12-31	603
1998-03-31	534
1998-06-30	525
1998-09-30	528
1998-12-31	480
1999-03-31	502
1999-06-30	413
1999-09-30	412
1999-12-31	489
2000-03-31	459
2000-06-30	444
2000-09-30	456
2000-12-31	439
2001-03-31	483
2001-06-30	489
2001-09-30	493
2001-12-31	528
2002-03-31	580
2002-06-30	524
2002-09-30	517
2002-12-31	631
2003-03-31	653
2003-06-30	561
2003-09-30	546
2003-12-31	761
2004-03-31	798
2004-06-30	737
2004-09-30	721
2004-12-31	958
2005-03-31	1044
2005-06-30	865
2005-09-30	782
2005-12-31	774
2006-03-31	806
2006-06-30	859
2006-09-30	817
2006-12-31	1078
2007-03-31	722
2007-06-30	601
2007-09-30	470
2007-12-31	590
2008-03-31	607
2008-06-30	548
2008-09-30	562
2008-12-31	607
2009-03-31	690
2009-06-30	653
2009-09-30	429
2009-12-31	528
2010-03-31	1001
2010-06-30	921
2010-09-30	881
2010-12-31	878
2011-03-31	978
2011-06-30	764
2011-09-30	615
2011-12-31	707
2012-03-31	1832
2012-06-30	1727
2012-09-30	1171
2012-12-31	1739
2013-03-31	1744
2013-06-30	1873
2013-09-30	1396
2013-12-31	2154
2014-03-31	1703
2014-06-30	1982
2014-09-30	1545
2014-12-31	1888
2015-03-31	1780
2015-06-30	1474
2015-09-30	1200
2015-12-31	1759
2016-03-31	2014
2016-06-30	1623
2016-09-30	1565
2016-12-31	1956
2017-03-31	2373
2017-06-30	1869
2017-09-30	1646
2017-12-31	1911
2018-03-31	2335
2018-06-30	1728
2018-09-30	1530
2018-12-31	1545
2019-03-31	1783
2019-06-30	1816
2019-09-30	1692
2019-12-31	1914
2020-03-31	2245
2020-06-30	1721
2020-09-30	2086
2020-12-31	2069
2021-03-31	2463
2021-06-30	1772
2021-09-30	1782
2021-12-31	1946
2022-03-31	3015
2022-06-30	1769
2022-09-30	1905
2022-12-31	1946
2023-03-31	2096
2023-06-30	1788
2023-09-30	1630