Quarterly US dollars
1986-09-30 1347
1986-12-31 1622
1987-03-31 1594
1987-06-30 1591
1987-09-30 1706
1987-12-31 1424
1988-03-31 1637
1988-06-30 1335
1988-09-30 1275
1988-12-31 1324
1989-03-31 1101
1989-06-30 1132
1989-09-30 1092
1989-12-31 958
1990-03-31 917
1990-06-30 1172
1990-09-30 1242
1990-12-31 1167
1991-03-31 1116
1991-06-30 1065
1991-09-30 1049
1991-12-31 1056
1992-03-31 1051
1992-06-30 1015
1992-09-30 964
1992-12-31 1027
1993-03-31 915
1993-06-30 869
1993-09-30 842
1993-12-31 1050
1994-03-31 802
1994-06-30 759
1994-09-30 660
1994-12-31 663
1995-03-31 658
1995-06-30 678
1995-09-30 625
1995-12-31 671
1996-03-31 959
1996-06-30 1242
1996-09-30 1212
1996-12-31 1228
1997-03-31 1504
1997-06-30 2006
1997-09-30 2488
1997-12-31 1965
1998-03-31 1607
1998-06-30 3108
1998-09-30 1657
1998-12-31 3119
1999-03-31 3017
1999-06-30 3100
1999-09-30 2133
1999-12-31 2464
2000-03-31 2388
2000-06-30 1751
2000-09-30 1722
2000-12-31 1678
2001-03-31 1600
2001-06-30 1752
2001-09-30 1450
2001-12-31 1373
2002-03-31 2077
2002-06-30 1606
2002-09-30 1559
2002-12-31 1761
2003-03-31 2150
2003-06-30 2635
2003-09-30 2859
2003-12-31 3174
2004-03-31 2376
2004-06-30 2014
2004-09-30 2461
2004-12-31 2373
2005-03-31 2233
2005-06-30 2144
2005-09-30 2394
2005-12-31 2360
2006-03-31 2639
2006-06-30 2796
2006-09-30 2598
2006-12-31 2939
2007-03-31 2804
2007-06-30 2745
2007-09-30 2432
2007-12-31 3575
2008-03-31 2819
2008-06-30 2551
2008-09-30 1838
2008-12-31 1893
2009-03-31 1696
2009-06-30 1786
2009-09-30 1866
2009-12-31 1536
2010-03-31 1647
2010-06-30 1583
2010-09-30 1982
2010-12-31 2534
2011-03-31 2701
2011-06-30 2749
2011-09-30 2786
2011-12-31 3218
2012-03-31 3328
2012-06-30 3664
2012-09-30 3747
2012-12-31 3720
2013-03-31 5074
2013-06-30 3350
2013-09-30 3259
2013-12-31 4814
2014-03-31 4079
2014-06-30 4216
2014-09-30 3739
2014-12-31 4740
2015-03-31 3555
2015-06-30 3140
2015-09-30 2942
2015-12-31 2998
2016-03-31 1871
2016-06-30 2028
2016-09-30 1652
2016-12-31 2952
2017-03-31 1777
2017-06-30 2604
2017-09-30 2399
2017-12-31 3253
2018-03-31 2306
2018-06-30 2232
2018-09-30 1384
2018-12-31 3047
2019-03-31 3134
2019-06-30 3756
2019-09-30 3095
2019-12-31 3362
2020-03-31 3262
2020-06-30 2552
2020-09-30 1705
2020-12-31 4503
2021-03-31 2533
2021-06-30 2282
2021-09-30 2082
2021-12-31 2469
2022-03-31 3284
2022-06-30 3095
2022-09-30 4556
2022-12-31 3528
2023-03-31 4081
2023-06-30 4374
2023-09-30 3369