Quarter	US dollars
1986-09-30	205
1986-12-31	243
1987-03-31	271
1987-06-30	258
1987-09-30	260
1987-12-31	321
1988-03-31	349
1988-06-30	308
1988-09-30	305
1988-12-31	361
1989-03-31	381
1989-06-30	360
1989-09-30	403
1989-12-31	401
1990-03-31	417
1990-06-30	432
1990-09-30	351
1990-12-31	488
1991-03-31	471
1991-06-30	412
1991-09-30	456
1991-12-31	483
1992-03-31	466
1992-06-30	443
1992-09-30	451
1992-12-31	402
1993-03-31	399
1993-06-30	361
1993-09-30	391
1993-12-31	316
1994-03-31	274
1994-06-30	344
1994-09-30	379
1994-12-31	362
1995-03-31	267
1995-06-30	371
1995-09-30	297
1995-12-31	275
1996-03-31	263
1996-06-30	312
1996-09-30	308
1996-12-31	346
1997-03-31	351
1997-06-30	325
1997-09-30	271
1997-12-31	291
1998-03-31	295
1998-06-30	287
1998-09-30	289
1998-12-31	328
1999-03-31	318
1999-06-30	298
1999-09-30	281
1999-12-31	336
2000-03-31	286
2000-06-30	286
2000-09-30	269
2000-12-31	241
2001-03-31	229
2001-06-30	271
2001-09-30	301
2001-12-31	262
2002-03-31	288
2002-06-30	296
2002-09-30	310
2002-12-31	340
2003-03-31	296
2003-06-30	255
2003-09-30	249
2003-12-31	274
2004-03-31	277
2004-06-30	267
2004-09-30	321
2004-12-31	372
2005-03-31	374
2005-06-30	366
2005-09-30	402
2005-12-31	491
2006-03-31	538
2006-06-30	570
2006-09-30	569
2006-12-31	464
2007-03-31	345
2007-06-30	433
2007-09-30	446
2007-12-31	438
2008-03-31	405
2008-06-30	402
2008-09-30	345
2008-12-31	308
2009-03-31	357
2009-06-30	417
2009-09-30	415
2009-12-31	402
2010-03-31	441
2010-06-30	467
2010-09-30	582
2010-12-31	513
2011-03-31	504
2011-06-30	796
2011-09-30	769
2011-12-31	615
2012-03-31	608
2012-06-30	601
2012-09-30	574
2012-12-31	633
2013-03-31	534
2013-06-30	504
2013-09-30	553
2013-12-31	498
2014-03-31	549
2014-06-30	568
2014-09-30	598
2014-12-31	594
2015-03-31	651
2015-06-30	541
2015-09-30	772
2015-12-31	784
2016-03-31	699
2016-06-30	895
2016-09-30	877
2016-12-31	964
2017-03-31	960
2017-06-30	858
2017-09-30	789
2017-12-31	1087
2018-03-31	896
2018-06-30	865
2018-09-30	948
2018-12-31	978
2019-03-31	923
2019-06-30	944
2019-09-30	750
2019-12-31	756
2020-03-31	928
2020-06-30	815
2020-09-30	931
2020-12-31	847
2021-03-31	1021
2021-06-30	1218
2021-09-30	1284
2021-12-31	1365
2022-03-31	1625
2022-06-30	1919
2022-09-30	1612
2022-12-31	1003
2023-03-31	1079
2023-06-30	835
2023-09-30	862