Quarter	US dollars
1986-09-30	146467
1986-12-31	147093
1987-03-31	148329
1987-06-30	159017
1987-09-30	168027
1987-12-31	164241
1988-03-31	162170
1988-06-30	166124
1988-09-30	168846
1988-12-31	170250
1989-03-31	168550
1989-06-30	153845
1989-09-30	151815
1989-12-31	153433
1990-03-31	136949
1990-06-30	138818
1990-09-30	148964
1990-12-31	160038
1991-03-31	148580
1991-06-30	137322
1991-09-30	147008
1991-12-31	139559
1992-03-31	126674
1992-06-30	131333
1992-09-30	130577
1992-12-31	135266
1993-03-31	125158
1993-06-30	121603
1993-09-30	112120
1993-12-31	110554
1994-03-31	106248
1994-06-30	109155
1994-09-30	109860
1994-12-31	121391
1995-03-31	117787
1995-06-30	115899
1995-09-30	122574
1995-12-31	139146
1996-03-31	148855
1996-06-30	141786
1996-09-30	164908
1996-12-31	166998
1997-03-31	195147
1997-06-30	193946
1997-09-30	197079
1997-12-31	215178
1998-03-31	190021
1998-06-30	211302
1998-09-30	211547
1998-12-31	211731
1999-03-31	220254
1999-06-30	264788
1999-09-30	253637
1999-12-31	230660
2000-03-31	260835
2000-06-30	278873
2000-09-30	292056
2000-12-31	322336
2001-03-31	366081
2001-06-30	346842
2001-09-30	362904
2001-12-31	406042
2002-03-31	405530
2002-06-30	411972
2002-09-30	421709
2002-12-31	403733
2003-03-31	429537
2003-06-30	473242
2003-09-30	468352
2003-12-31	455928
2004-03-31	532959
2004-06-30	518412
2004-09-30	544678
2004-12-31	561349
2005-03-31	632783
2005-06-30	638776
2005-09-30	676761
2005-12-31	679748
2006-03-31	787759
2006-06-30	766487
2006-09-30	790567
2006-12-31	788533
2007-03-31	855425
2007-06-30	896153
2007-09-30	1006731
2007-12-31	989438
2008-03-31	1134566
2008-06-30	1025689
2008-09-30	1103664
2008-12-31	872690
2009-03-31	935142
2009-06-30	970096
2009-09-30	1021151
2009-12-31	1032349
2010-03-31	1116411
2010-06-30	1116866
2010-09-30	1157649
2010-12-31	1239981
2011-03-31	1221284
2011-06-30	1199012
2011-09-30	1246385
2011-12-31	1223041
2012-03-31	1254345
2012-06-30	1183050
2012-09-30	1250872
2012-12-31	1211978
2013-03-31	1169534
2013-06-30	1188916
2013-09-30	1088267
2013-12-31	1023913
2014-03-31	999732
2014-06-30	950206
2014-09-30	961958
2014-12-31	910129
2015-03-31	833450
2015-06-30	832578
2015-09-30	788676
2015-12-31	799273
2016-03-31	818101
2016-06-30	842954
2016-09-30	777660
2016-12-31	767535
2017-03-31	824347
2017-06-30	875885
2017-09-30	897603
2017-12-31	1042202
2018-03-31	1077421
2018-06-30	951002
2018-09-30	887415
2018-12-31	969100
2019-03-31	1031698
2019-06-30	973261
2019-09-30	1031759
2019-12-31	1033837
2020-03-31	1203722
2020-06-30	1108827
2020-09-30	1176444
2020-12-31	1341773
2021-03-31	1374159
2021-06-30	1327447
2021-09-30	1334343
2021-12-31	1354998
2022-03-31	1447312
2022-06-30	1425540
2022-09-30	1361559
2022-12-31	1337719
2023-03-31	1406408
2023-06-30	1355987
2023-09-30	1381776