Quarterly Millions of US Dollars
1987-04-01 3596
1987-07-01 3699
1987-10-01 4571
1988-01-01 5348
1988-04-01 5827
1988-07-01 6685
1988-10-01 6603
1989-01-01 7541
1989-04-01 9170
1989-07-01 9174
1989-10-01 8516
1990-01-01 8055
1990-04-01 7739
1990-07-01 7503
1990-10-01 6958
1991-01-01 7630
1991-04-01 10815
1991-07-01 10808
1991-10-01 13502
1992-01-01 16192
1992-04-01 19078
1992-07-01 20600
1992-10-01 21706
1993-01-01 23376
1993-04-01 25079
1993-07-01 25449
1993-10-01 27126
1994-01-01 28553
1994-04-01 27067
1994-07-01 27668
1994-10-01 30345
1995-01-01 31212
1995-04-01 30532
1995-07-01 30215
1995-10-01 31775
1996-01-01 31053
1996-04-01 30410
1996-07-01 32627
1996-10-01 36202
1997-01-01 37196
1997-04-01 35764
1997-07-01 33859
1997-10-01 31550
1998-01-01 31997
1998-04-01 30344
1998-07-01 31053
1998-10-01 32349
1999-01-01 32291
1999-04-01 32982
1999-07-01 36690
1999-10-01 39698
2000-01-01 44466
2000-04-01 44586
2000-07-01 46247
2000-10-01 44721
2001-01-01 50018
2001-04-01 48039
2001-07-01 51750
2001-10-01 53009
2002-01-01 57258
2002-04-01 61424
2002-07-01 61848
2002-10-01 63718
2003-01-01 68175
2003-04-01 70686
2003-07-01 74953
2003-10-01 76148
2004-01-01 81564
2004-04-01 81215
2004-07-01 83299
2004-10-01 89671
2005-01-01 93136
2005-04-01 94853
2005-07-01 92776
2005-10-01 95681
2006-01-01 98836
2006-04-01 101371
2006-07-01 101520
2006-10-01 103880
2007-01-01 101582
2007-04-01 105712
2007-07-01 105483
2007-10-01 108508
2008-01-01 117498
2008-04-01 119970
2008-07-01 113912
2008-10-01 113778
2009-01-01 112183
2009-04-01 118954
2009-07-01 121593
2009-10-01 124184
2010-01-01 128453
2010-04-01 130091
2010-07-01 134935
2010-10-01 148690
2011-01-01 147672
2011-04-01 156365
2011-07-01 148540
2011-10-01 153315
2012-01-01 157185
2012-04-01 161858
2012-07-01 166207
2012-10-01 169872
2013-01-01 167158
2013-04-01 170116
2013-07-01 173106
2013-10-01 174706
2014-01-01 171309
2014-04-01 180102
2014-07-01 175277
2014-10-01 171826
2015-01-01 172671
2015-04-01 179440
2015-07-01 165855
2015-10-01 169416
2016-01-01 170177
2016-04-01 174248
2016-07-01 176247
2016-10-01 172882
2017-01-01 181568
2017-04-01 184658
2017-07-01 182845
2017-10-01 190070
2018-01-01 188340