Quarterly Millions of US Dollars
1988-04-01 151929
1988-07-01 155602
1988-10-01 173773
1989-01-01 170636
1989-04-01 161036
1989-07-01 173004
1989-10-01 183000
1990-01-01 175331
1990-04-01 178645
1990-07-01 196394
1990-10-01 188564
1991-01-01 195976
1991-04-01 191774
1991-07-01 205130
1991-10-01 201201
1992-01-01 204679
1992-04-01 203069
1992-07-01 195328
1992-10-01 193740
1993-01-01 202114
1993-04-01 188479
1993-07-01 185442
1993-10-01 199934
1994-01-01 206758
1994-04-01 210234
1994-07-01 214318
1994-10-01 231049
1995-01-01 219026
1995-04-01 217280
1995-07-01 234630
1995-10-01 237702
1996-01-01 252768
1996-04-01 255719
1996-07-01 262531
1996-10-01 273083
1997-01-01 264069
1997-04-01 256680
1997-07-01 254514
1997-10-01 229889
1998-01-01 234334
1998-04-01 221703
1998-07-01 220956
1998-10-01 232168
1999-01-01 244006
1999-04-01 257506
1999-07-01 259573
1999-10-01 262804
2000-01-01 249566
2000-04-01 248148
2000-07-01 223262
2000-10-01 228748
2001-01-01 204893
2001-04-01 211412
2001-07-01 209706
2001-10-01 222089
2002-01-01 235261
2002-04-01 252975
2002-07-01 257584
2002-10-01 263375
2003-01-01 284325
2003-04-01 324585
2003-07-01 331965
2003-10-01 378447
2004-01-01 400371
2004-04-01 367883
2004-07-01 394073
2004-10-01 443264
2005-01-01 456692
2005-04-01 459770
2005-07-01 460959
2005-10-01 463116
2006-01-01 465358
2006-04-01 499988
2006-07-01 517982
2006-10-01 559209
2007-01-01 583643
2007-04-01 647553
2007-07-01 756340
2007-10-01 800240
2008-01-01 860410
2008-04-01 944093
2008-07-01 805156
2008-10-01 743425
2009-01-01 738283
2009-04-01 887780
2009-07-01 970328
2009-10-01 1003708
2010-01-01 1016545
2010-04-01 962553
2010-07-01 1105206
2010-10-01 1187176
2011-01-01 1223693
2011-04-01 1286791
2011-07-01 1231622
2011-10-01 1307753
2012-01-01 1405041
2012-04-01 1392433
2012-07-01 1461825
2012-10-01 1444518
2013-01-01 1447329
2013-04-01 1287340
2013-07-01 1317494
2013-10-01 1285967
2014-01-01 1365316
2014-04-01 1435730
2014-07-01 1377678
2014-10-01 1349176
2015-01-01 1288198
2015-04-01 1288991
2015-07-01 1211615
2015-10-01 1257639
2016-01-01 1360294
2016-04-01 1324046
2016-07-01 1378173
2016-10-01 1284847
2017-01-01 1386964
2017-04-01 1396878
2017-07-01 1414642
2017-10-01 1432705
2018-01-01 1422471