Quarterly US dollars
1986-09-30 4988
1986-12-31 4902
1987-03-31 5371
1987-06-30 5781
1987-09-30 6024
1987-12-31 6785
1988-03-31 7452
1988-06-30 7212
1988-09-30 6423
1988-12-31 6899
1989-03-31 7565
1989-06-30 7942
1989-09-30 8109
1989-12-31 8185
1990-03-31 9541
1990-06-30 10381
1990-09-30 10769
1990-12-31 10547
1991-03-31 9823
1991-06-30 9305
1991-09-30 9266
1991-12-31 8270
1992-03-31 8374
1992-06-30 8612
1992-09-30 8340
1992-12-31 8143
1993-03-31 9238
1993-06-30 9130
1993-09-30 9406
1993-12-31 8845
1994-03-31 9295
1994-06-30 10107
1994-09-30 9762
1994-12-31 9516
1995-03-31 11348
1995-06-30 9874
1995-09-30 9150
1995-12-31 9180
1996-03-31 9224
1996-06-30 9299
1996-09-30 9848
1996-12-31 9251
1997-03-31 9551
1997-06-30 8770
1997-09-30 9733
1997-12-31 8953
1998-03-31 8186
1998-06-30 10369
1998-09-30 10635
1998-12-31 8649
1999-03-31 7380
1999-06-30 7607
1999-09-30 8145
1999-12-31 7835
2000-03-31 8195
2000-06-30 10392
2000-09-30 13190
2000-12-31 12341
2001-03-31 13485
2001-06-30 11981
2001-09-30 12271
2001-12-31 13538
2002-03-31 13892
2002-06-30 12704
2002-09-30 15138
2002-12-31 14212
2003-03-31 13621
2003-06-30 15471
2003-09-30 10097
2003-12-31 9316
2004-03-31 9272
2004-06-30 8327
2004-09-30 10789
2004-12-31 9242
2005-03-31 10458
2005-06-30 10350
2005-09-30 10540
2005-12-31 9803
2006-03-31 9525
2006-06-30 11110
2006-09-30 11003
2006-12-31 13337
2007-03-31 13823
2007-06-30 15471
2007-09-30 14715
2007-12-31 16417
2008-03-31 19686
2008-06-30 20292
2008-09-30 17258
2008-12-31 14363
2009-03-31 15267
2009-06-30 18004
2009-09-30 18153
2009-12-31 14904
2010-03-31 17045
2010-06-30 18209
2010-09-30 18456
2010-12-31 15273
2011-03-31 20195
2011-06-30 17848
2011-09-30 25210
2011-12-31 22654
2012-03-31 27320
2012-06-30 29869
2012-09-30 30107
2012-12-31 34267
2013-03-31 30159
2013-06-30 29551
2013-09-30 28729
2013-12-31 29455
2014-03-31 30547
2014-06-30 32776
2014-09-30 31037
2014-12-31 30856
2015-03-31 32193
2015-06-30 27838
2015-09-30 27813
2015-12-31 24782
2016-03-31 25895
2016-06-30 21940
2016-09-30 21086
2016-12-31 18893
2017-03-31 19353
2017-06-30 18624
2017-09-30 15667
2017-12-31 16652
2018-03-31 17287
2018-06-30 16674
2018-09-30 14997
2018-12-31 18010
2019-03-31 18750
2019-06-30 16323
2019-09-30 14783
2019-12-31 13186
2020-03-31 17383
2020-06-30 15213
2020-09-30 16223
2020-12-31 13838
2021-03-31 13912
2021-06-30 13952
2021-09-30 16860
2021-12-31 9889
2022-03-31 14018
2022-06-30 13180
2022-09-30 13015
2022-12-31 9672
2023-03-31 11440
2023-06-30 13113
2023-09-30 13046