Quarterly Millions of US Dollars
1971-01-01 88
1971-04-01 141
1971-07-01 169
1971-10-01 221
1972-01-01 395
1972-04-01 474
1972-07-01 589
1972-10-01 809
1973-01-01 911
1973-04-01 1284
1973-07-01 1342
1973-10-01 1693
1974-01-01 1838
1974-04-01 2256
1974-07-01 2305
1974-10-01 2442
1975-01-01 2565
1975-04-01 2891
1975-07-01 2930
1975-10-01 3055
1976-01-01 3177
1976-04-01 3369
1976-07-01 3492
1976-10-01 3754
1977-01-01 3956
1977-04-01 4175
1977-07-01 4340
1977-10-01 4715
1978-01-01 5182
1978-04-01 5632
1978-07-01 6149
1978-10-01 6642
1979-01-01 6733
1979-04-01 6929
1979-07-01 7174
1979-10-01 7129
1980-01-01 6816
1980-04-01 7050
1980-07-01 7102
1980-10-01 6836
1981-01-01 6695
1981-04-01 6385
1981-07-01 6435
1981-10-01 6498
1982-01-01 6327
1982-04-01 6294
1982-07-01 6179
1982-10-01 6415
1983-01-01 6483
1983-04-01 6443
1983-07-01 6378
1983-10-01 6284
1984-01-01 6399
1984-04-01 6476
1984-07-01 6437
1984-10-01 6679
1985-01-01 6787
1985-04-01 7510
1985-07-01 7875
1985-10-01 7002
1986-01-01 6963
1986-04-01 7052
1986-07-01 7335
1986-10-01 7236
1987-01-01 7408
1987-04-01 7146
1987-07-01 6831
1987-10-01 6846
1988-01-01 6565
1988-04-01 6088
1988-07-01 5876
1988-10-01 6172
1989-01-01 5741
1989-04-01 5280
1989-07-01 5371
1989-10-01 5517
1990-01-01 5320
1990-04-01 4544
1990-07-01 4320
1990-10-01 4037
1991-01-01 3534
1991-04-01 4347
1991-07-01 4369
1991-10-01 4704
1992-01-01 7022
1992-04-01 7762
1992-07-01 8074
1992-10-01 7464
1993-01-01 7783
1993-04-01 5827
1993-07-01 7215
1993-10-01 7810
1994-01-01 8646
1994-04-01 8310
1994-07-01 8322
1994-10-01 8968
1995-01-01 9652
1995-04-01 9843
1995-07-01 9899
1995-10-01 10339
1996-01-01 10421
1996-04-01 10478
1996-07-01 10808
1996-10-01 13075
1997-01-01 12809
1997-04-01 13608
1997-07-01 14563
1997-10-01 14684
1998-01-01 16406
1998-04-01 16659
1998-07-01 17129
1998-10-01 17558
1999-01-01 18013
1999-04-01 20743
1999-07-01 21348
1999-10-01 21357
2000-01-01 22494
2000-04-01 24222
2000-07-01 24741
2000-10-01 24625
2001-01-01 24728
2001-04-01 25513
2001-07-01 27637
2001-10-01 27056
2002-01-01 27644
2002-04-01 30155
2002-07-01 30669
2002-10-01 30859
2003-01-01 31485
2003-04-01 33995
2003-07-01 34932
2003-10-01 35895
2004-01-01 38123
2004-04-01 40474
2004-07-01 40296
2004-10-01 43795
2005-01-01 44259
2005-04-01 46660
2005-07-01 51593
2005-10-01 54889
2006-01-01 65759
2006-04-01 71572
2006-07-01 74590
2006-10-01 90049
2007-01-01 95078
2007-04-01 104339
2007-07-01 110483
2007-10-01 116466
2008-01-01 118624
2008-04-01 125785
2008-07-01 124148
2008-10-01 118767
2009-01-01 116817
2009-04-01 127221
2009-07-01 137730
2009-10-01 139635
2010-01-01 140894
2010-04-01 141100
2010-07-01 148657
2010-10-01 153690
2011-01-01 160850
2011-04-01 159162
2011-07-01 155932
2011-10-01 167690
2012-01-01 172993
2012-04-01 170262
2012-07-01 176955
2012-10-01 190478
2013-01-01 194254
2013-04-01 196413
2013-07-01 203316
2013-10-01 209221
2014-01-01 212939
2014-04-01 224976
2014-07-01 227351
2014-10-01 234357
2015-01-01 236497
2015-04-01 250693
2015-07-01 251382
2015-10-01 257948
2016-01-01 261371
2016-04-01 285207
2016-07-01 290132
2016-10-01 331792
2017-01-01 351153
2017-04-01 377475
2017-07-01 385176
2017-10-01 415204
2018-01-01 435889
2018-04-01 473292