Quarterly Millions of US Dollars
1987-04-01 0
1987-07-01 0
1987-10-01 0
1988-01-01 0
1988-04-01 0
1988-07-01 0
1988-10-01 0
1989-01-01 0
1989-04-01 0
1989-07-01 0
1989-10-01 0
1990-01-01 0
1990-04-01 0
1990-07-01 0
1990-10-01 0
1991-01-01 0
1991-04-01 0
1991-07-01 0
1991-10-01 0
1992-01-01 0
1992-04-01 0
1992-07-01 0
1992-10-01 0
1993-01-01 0
1993-04-01 0
1993-07-01 0
1993-10-01 0
1994-01-01 0
1994-04-01 0
1994-07-01 0
1994-10-01 0
1995-01-01 0
1995-04-01 0
1995-07-01 0
1995-10-01 0
1996-01-01 0
1996-04-01 0
1996-07-01 0
1996-10-01 1262
1997-01-01 2593
1997-04-01 2332
1997-07-01 2307
1997-10-01 2100
1998-01-01 2347
1998-04-01 2229
1998-07-01 2579
1998-10-01 2864
1999-01-01 3077
1999-04-01 2928
1999-07-01 3460
1999-10-01 3118
2000-01-01 2941
2000-04-01 2724
2000-07-01 2302
2000-10-01 2769
2001-01-01 2992
2001-04-01 3074
2001-07-01 4254
2001-10-01 5780
2002-01-01 6750
2002-04-01 8269
2002-07-01 9821
2002-10-01 10856
2003-01-01 11383
2003-04-01 12262
2003-07-01 13716
2003-10-01 15922
2004-01-01 18229
2004-04-01 18753
2004-07-01 19113
2004-10-01 22288
2005-01-01 23195
2005-04-01 24625
2005-07-01 23627
2005-10-01 24701
2006-01-01 25343
2006-04-01 26962
2006-07-01 26051
2006-10-01 28417
2007-01-01 28461
2007-04-01 28324
2007-07-01 28150
2007-10-01 28281
2008-01-01 30719
2008-04-01 32651
2008-07-01 30097
2008-10-01 27287
2009-01-01 24160
2009-04-01 25021
2009-07-01 25178
2009-10-01 25408
2010-01-01 24041
2010-04-01 23848
2010-07-01 24893
2010-10-01 27986
2011-01-01 28269
2011-04-01 30125
2011-07-01 29264
2011-10-01 29724
2012-01-01 30561
2012-04-01 31658
2012-07-01 33267
2012-10-01 35187
2013-01-01 34788
2013-04-01 33950
2013-07-01 34251
2013-10-01 34535
2014-01-01 34348
2014-04-01 37649
2014-07-01 37250
2014-10-01 40225
2015-01-01 41660
2015-04-01 41643
2015-07-01 39965
2015-10-01 39115
2016-01-01 39756
2016-04-01 39219
2016-07-01 40475
2016-10-01 37305
2017-01-01 41128
2017-04-01 41649
2017-07-01 41183
2017-10-01 41389
2018-01-01 44277