Quarterly US dollars
1986-09-30 679
1986-12-31 623
1987-03-31 713
1987-06-30 567
1987-09-30 539
1987-12-31 596
1988-03-31 552
1988-06-30 663
1988-09-30 575
1988-12-31 593
1989-03-31 550
1989-06-30 555
1989-09-30 545
1989-12-31 635
1990-03-31 623
1990-06-30 650
1990-09-30 794
1990-12-31 783
1991-03-31 924
1991-06-30 963
1991-09-30 1198
1991-12-31 1104
1992-03-31 1094
1992-06-30 1145
1992-09-30 1175
1992-12-31 1313
1993-03-31 1513
1993-06-30 1421
1993-09-30 1449
1993-12-31 1647
1994-03-31 2442
1994-06-30 2462
1994-09-30 2821
1994-12-31 2580
1995-03-31 2871
1995-06-30 3779
1995-09-30 3825
1995-12-31 3541
1996-03-31 3289
1996-06-30 4862
1996-09-30 4926
1996-12-31 5219
1997-03-31 5018
1997-06-30 4868
1997-09-30 4152
1997-12-31 3997
1998-03-31 3152
1998-06-30 2745
1998-09-30 2413
1998-12-31 2345
1999-03-31 2030
1999-06-30 1859
1999-09-30 1739
1999-12-31 1695
2000-03-31 1592
2000-06-30 1861
2000-09-30 3250
2000-12-31 1478
2001-03-31 1572
2001-06-30 1377
2001-09-30 1234
2001-12-31 1148
2002-03-31 1462
2002-06-30 2439
2002-09-30 1340
2002-12-31 1500
2003-03-31 1372
2003-06-30 1514
2003-09-30 1012
2003-12-31 1626
2004-03-31 1178
2004-06-30 1108
2004-09-30 2524
2004-12-31 2267
2005-03-31 938
2005-06-30 1126
2005-09-30 1312
2005-12-31 936
2006-03-31 812
2006-06-30 990
2006-09-30 1142
2006-12-31 1476
2007-03-31 1531
2007-06-30 897
2007-09-30 974
2007-12-31 867
2008-03-31 1461
2008-06-30 913
2008-09-30 917
2008-12-31 1069
2009-03-31 1110
2009-06-30 1228
2009-09-30 1266
2009-12-31 1143
2010-03-31 1400
2010-06-30 2145
2010-09-30 2427
2010-12-31 3407
2011-03-31 3243
2011-06-30 1826
2011-09-30 2780
2011-12-31 2025
2012-03-31 2644
2012-06-30 2342
2012-09-30 2211
2012-12-31 2628
2013-03-31 3242
2013-06-30 3457
2013-09-30 2498
2013-12-31 2385
2014-03-31 2824
2014-06-30 2695
2014-09-30 2295
2014-12-31 2191
2015-03-31 1941
2015-06-30 2369
2015-09-30 2690
2015-12-31 2834
2016-03-31 2879
2016-06-30 3424
2016-09-30 3138
2016-12-31 3059
2017-03-31 2817
2017-06-30 3390
2017-09-30 3848
2017-12-31 3983
2018-03-31 3178
2018-06-30 2970
2018-09-30 2191
2018-12-31 1751
2019-03-31 1732
2019-06-30 1819
2019-09-30 1531
2019-12-31 1535
2020-03-31 1749
2020-06-30 1778
2020-09-30 1699
2020-12-31 2549
2021-03-31 1524
2021-06-30 1385
2021-09-30 1578
2021-12-31 1610
2022-03-31 1594
2022-06-30 1792
2022-09-30 2090
2022-12-31 1786
2023-03-31 1873
2023-06-30 2418
2023-09-30 2540