Quarterly Millions of US Dollars
1972-01-01 49
1972-04-01 127
1972-07-01 156
1972-10-01 242
1973-01-01 242
1973-04-01 378
1973-07-01 416
1973-10-01 710
1974-01-01 804
1974-04-01 1167
1974-07-01 1198
1974-10-01 1270
1975-01-01 1334
1975-04-01 1392
1975-07-01 1437
1975-10-01 1437
1976-01-01 1498
1976-04-01 1554
1976-07-01 1621
1976-10-01 1788
1977-01-01 1905
1977-04-01 1956
1977-07-01 2060
1977-10-01 2128
1978-01-01 2192
1978-04-01 2321
1978-07-01 2383
1978-10-01 2553
1979-01-01 2663
1979-04-01 2738
1979-07-01 2738
1979-10-01 2753
1980-01-01 2753
1980-04-01 2753
1980-07-01 2843
1980-10-01 2883
1981-01-01 2890
1981-04-01 2905
1981-07-01 2985
1981-10-01 2985
1982-01-01 2985
1982-04-01 3060
1982-07-01 3060
1982-10-01 3060
1983-01-01 3060
1983-04-01 3085
1983-07-01 3145
1983-10-01 3035
1984-01-01 2925
1984-04-01 2917
1984-07-01 2887
1984-10-01 2872
1985-01-01 2872
1985-04-01 2737
1985-07-01 2649
1985-10-01 2306
1986-01-01 2206
1986-04-01 2127
1986-07-01 2152
1986-10-01 2025
1987-01-01 1932
1987-04-01 1790
1987-07-01 1679
1987-10-01 1594
1988-01-01 1533
1988-04-01 1412
1988-07-01 1310
1988-10-01 1227
1989-01-01 1110
1989-04-01 934
1989-07-01 934
1989-10-01 866
1990-01-01 802
1990-04-01 723
1990-07-01 581
1990-10-01 529
1991-01-01 529
1991-04-01 1478
1991-07-01 1478
1991-10-01 1478
1992-01-01 1518
1992-04-01 1521
1992-07-01 1518
1992-10-01 1512
1993-01-01 1509
1993-04-01 1511
1993-07-01 1546
1993-10-01 1546
1994-01-01 1526
1994-04-01 1226
1994-07-01 1211
1994-10-01 1211
1995-01-01 1211
1995-04-01 1211
1995-07-01 1211
1995-10-01 1322
1996-01-01 1322
1996-04-01 1322
1996-07-01 1217
1996-10-01 2017
1997-01-01 2017
1997-04-01 2092
1997-07-01 2372
1997-10-01 3261
1998-01-01 3258
1998-04-01 3361
1998-07-01 3730
1998-10-01 4281
1999-01-01 5080
1999-04-01 5485
1999-07-01 5619
1999-10-01 6369
2000-01-01 7397
2000-04-01 7579
2000-07-01 7959
2000-10-01 8361
2001-01-01 8228
2001-04-01 8916
2001-07-01 9340
2001-10-01 9433
2002-01-01 10022
2002-04-01 10260
2002-07-01 10298
2002-10-01 10832
2003-01-01 11088
2003-04-01 12120
2003-07-01 12332
2003-10-01 13257
2004-01-01 14536
2004-04-01 15510
2004-07-01 15544
2004-10-01 16302
2005-01-01 15743
2005-04-01 15239
2005-07-01 14736
2005-10-01 15446
2006-01-01 16389
2006-04-01 15833
2006-07-01 15844
2006-10-01 16744
2007-01-01 16467
2007-04-01 16655
2007-07-01 16199
2007-10-01 15573
2008-01-01 15874
2008-04-01 17799
2008-07-01 17563
2008-10-01 17459
2009-01-01 18038
2009-04-01 18058
2009-07-01 18167
2009-10-01 17553
2010-01-01 19009
2010-04-01 20423
2010-07-01 20584
2010-10-01 20634
2011-01-01 20792
2011-04-01 20405
2011-07-01 20653
2011-10-01 25383
2012-01-01 27547
2012-04-01 28215
2012-07-01 27968
2012-10-01 32906
2013-01-01 33816
2013-04-01 31944
2013-07-01 32660
2013-10-01 32381
2014-01-01 33834
2014-04-01 35318
2014-07-01 34688
2014-10-01 37751
2015-01-01 42051
2015-04-01 41439
2015-07-01 41385
2015-10-01 44010
2016-01-01 45815
2016-04-01 47669
2016-07-01 68440
2016-10-01 65848
2017-01-01 68210
2017-04-01 69288
2017-07-01 69740
2017-10-01 69820
2018-01-01 75004
2018-04-01 73367