Quarterly US dollars
1986-09-30 1440
1986-12-31 1291
1987-03-31 1167
1987-06-30 1172
1987-09-30 1269
1987-12-31 1294
1988-03-31 1288
1988-06-30 1373
1988-09-30 1344
1988-12-31 1411
1989-03-31 1314
1989-06-30 1302
1989-09-30 1591
1989-12-31 1616
1990-03-31 1577
1990-06-30 1663
1990-09-30 1937
1990-12-31 1392
1991-03-31 1398
1991-06-30 1591
1991-09-30 2114
1991-12-31 2293
1992-03-31 2414
1992-06-30 2295
1992-09-30 2209
1992-12-31 2249
1993-03-31 2231
1993-06-30 2119
1993-09-30 2142
1993-12-31 2098
1994-03-31 2047
1994-06-30 2002
1994-09-30 2041
1994-12-31 2069
1995-03-31 2013
1995-06-30 2123
1995-09-30 2025
1995-12-31 2090
1996-03-31 1911
1996-06-30 1941
1996-09-30 1987
1996-12-31 2260
1997-03-31 1908
1997-06-30 2102
1997-09-30 2237
1997-12-31 2274
1998-03-31 2218
1998-06-30 2012
1998-09-30 2035
1998-12-31 1837
1999-03-31 1845
1999-06-30 2144
1999-09-30 2505
1999-12-31 2196
2000-03-31 2301
2000-06-30 2290
2000-09-30 2397
2000-12-31 2346
2001-03-31 2323
2001-06-30 2295
2001-09-30 2502
2001-12-31 2156
2002-03-31 2170
2002-06-30 2684
2002-09-30 2279
2002-12-31 2370
2003-03-31 2312
2003-06-30 2645
2003-09-30 2646
2003-12-31 2652
2004-03-31 2783
2004-06-30 2589
2004-09-30 2780
2004-12-31 3059
2005-03-31 2632
2005-06-30 2691
2005-09-30 2602
2005-12-31 2847
2006-03-31 3073
2006-06-30 3635
2006-09-30 3474
2006-12-31 3611
2007-03-31 3495
2007-06-30 3349
2007-09-30 4027
2007-12-31 4101
2008-03-31 2416
2008-06-30 3045
2008-09-30 3101
2008-12-31 2352
2009-03-31 2009
2009-06-30 1570
2009-09-30 1626
2009-12-31 1799
2010-03-31 2347
2010-06-30 2583
2010-09-30 2384
2010-12-31 2559
2011-03-31 2599
2011-06-30 2760
2011-09-30 2821
2011-12-31 2983
2012-03-31 2629
2012-06-30 2613
2012-09-30 2312
2012-12-31 2254
2013-03-31 2748
2013-06-30 2726
2013-09-30 2626
2013-12-31 2939
2014-03-31 2863
2014-06-30 3915
2014-09-30 3998
2014-12-31 3811
2015-03-31 3178
2015-06-30 3153
2015-09-30 3227
2015-12-31 2907
2016-03-31 2727
2016-06-30 2762
2016-09-30 2715
2016-12-31 2997
2017-03-31 2992
2017-06-30 2552
2017-09-30 2953
2017-12-31 3164
2018-03-31 3078
2018-06-30 2378
2018-09-30 2479
2018-12-31 2190
2019-03-31 3097
2019-06-30 3305
2019-09-30 3219
2019-12-31 2820
2020-03-31 3192
2020-06-30 3122
2020-09-30 3234
2020-12-31 2979
2021-03-31 2524
2021-06-30 2752
2021-09-30 3275
2021-12-31 4196
2022-03-31 3556
2022-06-30 3168
2022-09-30 3528
2022-12-31 3159
2023-03-31 3411
2023-06-30 3430
2023-09-30 3588