Quarterly Millions of US Dollars
1987-04-01 3979
1987-07-01 4417
1987-10-01 6633
1988-01-01 6600
1988-04-01 6459
1988-07-01 6317
1988-10-01 6448
1989-01-01 5814
1989-04-01 6847
1989-07-01 7226
1989-10-01 9065
1990-01-01 7376
1990-04-01 9372
1990-07-01 13822
1990-10-01 14698
1991-01-01 14133
1991-04-01 13551
1991-07-01 15641
1991-10-01 15913
1992-01-01 17133
1992-04-01 15518
1992-07-01 16699
1992-10-01 18214
1993-01-01 19075
1993-04-01 22842
1993-07-01 28101
1993-10-01 26721
1994-01-01 29599
1994-04-01 31568
1994-07-01 25576
1994-10-01 30403
1995-01-01 33429
1995-04-01 37104
1995-07-01 28191
1995-10-01 37155
1996-01-01 39418
1996-04-01 49538
1996-07-01 54039
1996-10-01 58650
1997-01-01 62109
1997-04-01 60028
1997-07-01 54671
1997-10-01 53403
1998-01-01 60617
1998-04-01 61737
1998-07-01 68425
1998-10-01 71912
1999-01-01 69372
1999-04-01 69192
1999-07-01 67652
1999-10-01 66778
2000-01-01 73321
2000-04-01 70337
2000-07-01 67892
2000-10-01 59628
2001-01-01 62203
2001-04-01 57178
2001-07-01 57169
2001-10-01 54747
2002-01-01 57643
2002-04-01 57436
2002-07-01 54032
2002-10-01 54242
2003-01-01 55152
2003-04-01 56375
2003-07-01 59541
2003-10-01 58616
2004-01-01 62958
2004-04-01 60751
2004-07-01 59696
2004-10-01 62829
2005-01-01 63053
2005-04-01 61635
2005-07-01 59171
2005-10-01 59273
2006-01-01 60162
2006-04-01 57400
2006-07-01 54830
2006-10-01 57609
2007-01-01 55494
2007-04-01 53250
2007-07-01 54819
2007-10-01 54813
2008-01-01 58510
2008-04-01 57820
2008-07-01 54881
2008-10-01 55856
2009-01-01 54116
2009-04-01 53444
2009-07-01 54197
2009-10-01 56077
2010-01-01 60369
2010-04-01 57978
2010-07-01 60576
2010-10-01 64991
2011-01-01 67272
2011-04-01 68011
2011-07-01 67256
2011-10-01 69055
2012-01-01 77015
2012-04-01 81265
2012-07-01 88381
2012-10-01 91138
2013-01-01 95960
2013-04-01 96937
2013-07-01 102111
2013-10-01 102913
2014-01-01 105441
2014-04-01 109085
2014-07-01 109455
2014-10-01 104988
2015-01-01 110346
2015-04-01 111132
2015-07-01 104033
2015-10-01 102036
2016-01-01 106132
2016-04-01 106759
2016-07-01 110345
2016-10-01 104312
2017-01-01 117684
2017-04-01 118646
2017-07-01 120257
2017-10-01 123142
2018-01-01 128299