Quarterly US dollars
1986-09-30 7855
1986-12-31 7873
1987-03-31 7969
1987-06-30 8065
1987-09-30 7859
1987-12-31 8028
1988-03-31 7970
1988-06-30 7581
1988-09-30 7690
1988-12-31 6670
1989-03-31 6268
1989-06-30 6188
1989-09-30 6596
1989-12-31 5927
1990-03-31 5681
1990-06-30 6238
1990-09-30 6077
1990-12-31 5589
1991-03-31 5922
1991-06-30 5599
1991-09-30 5647
1991-12-31 5536
1992-03-31 5856
1992-06-30 5672
1992-09-30 5894
1992-12-31 6039
1993-03-31 5471
1993-06-30 5589
1993-09-30 5468
1993-12-31 4876
1994-03-31 4920
1994-06-30 5870
1994-09-30 5176
1994-12-31 5510
1995-03-31 6294
1995-06-30 6263
1995-09-30 6100
1995-12-31 6380
1996-03-31 6341
1996-06-30 6671
1996-09-30 6548
1996-12-31 7942
1997-03-31 9648
1997-06-30 10016
1997-09-30 10514
1997-12-31 9818
1998-03-31 10456
1998-06-30 9064
1998-09-30 8730
1998-12-31 8670
1999-03-31 9247
1999-06-30 9358
1999-09-30 8615
1999-12-31 8952
2000-03-31 7813
2000-06-30 7164
2000-09-30 7338
2000-12-31 7090
2001-03-31 8986
2001-06-30 8374
2001-09-30 8612
2001-12-31 7183
2002-03-31 6418
2002-06-30 7343
2002-09-30 6826
2002-12-31 7742
2003-03-31 7623
2003-06-30 8132
2003-09-30 8703
2003-12-31 7770
2004-03-31 8063
2004-06-30 8722
2004-09-30 9051
2004-12-31 10200
2005-03-31 9592
2005-06-30 11797
2005-09-30 10462
2005-12-31 11653
2006-03-31 12687
2006-06-30 12936
2006-09-30 15151
2006-12-31 16394
2007-03-31 15913
2007-06-30 18517
2007-09-30 17414
2007-12-31 20102
2008-03-31 18782
2008-06-30 19146
2008-09-30 19060
2008-12-31 19879
2009-03-31 17837
2009-06-30 16261
2009-09-30 16612
2009-12-31 14965
2010-03-31 14836
2010-06-30 13124
2010-09-30 15480
2010-12-31 15944
2011-03-31 14904
2011-06-30 14153
2011-09-30 13663
2011-12-31 12066
2012-03-31 13904
2012-06-30 13786
2012-09-30 16527
2012-12-31 16743
2013-03-31 15607
2013-06-30 15547
2013-09-30 15574
2013-12-31 18178
2014-03-31 18309
2014-06-30 18839
2014-09-30 17986
2014-12-31 19062
2015-03-31 20560
2015-06-30 19057
2015-09-30 18420
2015-12-31 18375
2016-03-31 18031
2016-06-30 17118
2016-09-30 18769
2016-12-31 16730
2017-03-31 19221
2017-06-30 19660
2017-09-30 21203
2017-12-31 23179
2018-03-31 23881
2018-06-30 21102
2018-09-30 20889
2018-12-31 21337
2019-03-31 24010
2019-06-30 24530
2019-09-30 22225
2019-12-31 21909
2020-03-31 17999
2020-06-30 17633
2020-09-30 16990
2020-12-31 16175
2021-03-31 15474
2021-06-30 13071
2021-09-30 11848
2021-12-31 10752
2022-03-31 13651
2022-06-30 11629
2022-09-30 12435
2022-12-31 14253
2023-03-31 14058
2023-06-30 10491
2023-09-30 12532