Quarterly US dollars
1986-09-30 586
1986-12-31 595
1987-03-31 913
1987-06-30 738
1987-09-30 718
1987-12-31 678
1988-03-31 610
1988-06-30 554
1988-09-30 447
1988-12-31 496
1989-03-31 456
1989-06-30 427
1989-09-30 459
1989-12-31 416
1990-03-31 426
1990-06-30 610
1990-09-30 644
1990-12-31 663
1991-03-31 683
1991-06-30 647
1991-09-30 804
1991-12-31 938
1992-03-31 922
1992-06-30 963
1992-09-30 911
1992-12-31 732
1993-03-31 780
1993-06-30 679
1993-09-30 691
1993-12-31 648
1994-03-31 671
1994-06-30 614
1994-09-30 652
1994-12-31 744
1995-03-31 665
1995-06-30 644
1995-09-30 717
1995-12-31 688
1996-03-31 749
1996-06-30 758
1996-09-30 767
1996-12-31 858
1997-03-31 866
1997-06-30 824
1997-09-30 785
1997-12-31 861
1998-03-31 876
1998-06-30 744
1998-09-30 759
1998-12-31 825
1999-03-31 761
1999-06-30 822
1999-09-30 714
1999-12-31 713
2000-03-31 781
2000-06-30 954
2000-09-30 1144
2000-12-31 1251
2001-03-31 1339
2001-06-30 1288
2001-09-30 1365
2001-12-31 1166
2002-03-31 1080
2002-06-30 1067
2002-09-30 1092
2002-12-31 1181
2003-03-31 1431
2003-06-30 1492
2003-09-30 1959
2003-12-31 2078
2004-03-31 2134
2004-06-30 2130
2004-09-30 2178
2004-12-31 2380
2005-03-31 2405
2005-06-30 2277
2005-09-30 2163
2005-12-31 2211
2006-03-31 2515
2006-06-30 2590
2006-09-30 2758
2006-12-31 2825
2007-03-31 2867
2007-06-30 2758
2007-09-30 2721
2007-12-31 2646
2008-03-31 2685
2008-06-30 2703
2008-09-30 2868
2008-12-31 2841
2009-03-31 2600
2009-06-30 1645
2009-09-30 1561
2009-12-31 1334
2010-03-31 1311
2010-06-30 1147
2010-09-30 1363
2010-12-31 884
2011-03-31 911
2011-06-30 804
2011-09-30 499
2011-12-31 662
2012-03-31 807
2012-06-30 652
2012-09-30 673
2012-12-31 653
2013-03-31 868
2013-06-30 636
2013-09-30 707
2013-12-31 667
2014-03-31 607
2014-06-30 580
2014-09-30 453
2014-12-31 451
2015-03-31 340
2015-06-30 521
2015-09-30 323
2015-12-31 211
2016-03-31 173
2016-06-30 127
2016-09-30 187
2016-12-31 130
2017-03-31 128
2017-06-30 125
2017-09-30 125
2017-12-31 116
2018-03-31 116
2018-06-30 103
2018-09-30 105
2018-12-31 109
2019-03-31 104
2019-06-30 105
2019-09-30 95
2019-12-31 168
2020-03-31 157
2020-06-30 153
2020-09-30 144
2020-12-31 150
2021-03-31 148
2021-06-30 146
2021-09-30 87
2021-12-31 86
2022-03-31 85
2022-06-30 84
2022-09-30 82
2022-12-31 83
2023-03-31 83
2023-06-30 84
2023-09-30 87