Quarterly US dollars
1986-09-30 19656
1986-12-31 19144
1987-03-31 19427
1987-06-30 19001
1987-09-30 19702
1987-12-31 19188
1988-03-31 17355
1988-06-30 17224
1988-09-30 20131
1988-12-31 17676
1989-03-31 18722
1989-06-30 16393
1989-09-30 17862
1989-12-31 17324
1990-03-31 20122
1990-06-30 18255
1990-09-30 16848
1990-12-31 17955
1991-03-31 18768
1991-06-30 17538
1991-09-30 18374
1991-12-31 16352
1992-03-31 17019
1992-06-30 18849
1992-09-30 16135
1992-12-31 16721
1993-03-31 16557
1993-06-30 17411
1993-09-30 16050
1993-12-31 15499
1994-03-31 15453
1994-06-30 16385
1994-09-30 17272
1994-12-31 14757
1995-03-31 16020
1995-06-30 17170
1995-09-30 17188
1995-12-31 18822
1996-03-31 22132
1996-06-30 24594
1996-09-30 25668
1996-12-31 26003
1997-03-31 26898
1997-06-30 28695
1997-09-30 36061
1997-12-31 41081
1998-03-31 39214
1998-06-30 42395
1998-09-30 53621
1998-12-31 61737
1999-03-31 60895
1999-06-30 58317
1999-09-30 53353
1999-12-31 54346
2000-03-31 54782
2000-06-30 53770
2000-09-30 50693
2000-12-31 65819
2001-03-31 64941
2001-06-30 52063
2001-09-30 46905
2001-12-31 64643
2002-03-31 58392
2002-06-30 60835
2002-09-30 64779
2002-12-31 71139
2003-03-31 90788
2003-06-30 102036
2003-09-30 112484
2003-12-31 125270
2004-03-31 153789
2004-06-30 149577
2004-09-30 165149
2004-12-31 206050
2005-03-31 217592
2005-06-30 226194
2005-09-30 200398
2005-12-31 222267
2006-03-31 244024
2006-06-30 270236
2006-09-30 218387
2006-12-31 222681
2007-03-31 263333
2007-06-30 260607
2007-09-30 273707
2007-12-31 316175
2008-03-31 356287
2008-06-30 287013
2008-09-30 262463
2008-12-31 227952
2009-03-31 173365
2009-06-30 172471
2009-09-30 154223
2009-12-31 190646
2010-03-31 161001
2010-06-30 160753
2010-09-30 167391
2010-12-31 182815
2011-03-31 167990
2011-06-30 167034
2011-09-30 137658
2011-12-31 135866
2012-03-31 144220
2012-06-30 144622
2012-09-30 120714
2012-12-31 130702
2013-03-31 133728
2013-06-30 134341
2013-09-30 150270
2013-12-31 138988
2014-03-31 155058
2014-06-30 174392
2014-09-30 197350
2014-12-31 209206
2015-03-31 207287
2015-06-30 182936
2015-09-30 194028
2015-12-31 177610
2016-03-31 183440
2016-06-30 184774
2016-09-30 207343
2016-12-31 216244
2017-03-31 172195
2017-06-30 156318
2017-09-30 235819
2017-12-31 243830
2018-03-31 192684
2018-06-30 174174
2018-09-30 152295
2018-12-31 164930
2019-03-31 159938
2019-06-30 152639
2019-09-30 127079
2019-12-31 154587
2020-03-31 139789
2020-06-30 126590
2020-09-30 120455
2020-12-31 133791
2021-03-31 139615
2021-06-30 151445
2021-09-30 142102
2021-12-31 175766
2022-03-31 176683
2022-06-30 179274
2022-09-30 147576
2022-12-31 129885
2023-03-31 129424
2023-06-30 120927
2023-09-30 111678