Quarterly Millions of US Dollars
1973-01-01 20
1973-04-01 20
1973-07-01 20
1973-10-01 20
1974-01-01 20
1974-04-01 20
1974-07-01 20
1974-10-01 20
1975-01-01 20
1975-04-01 20
1975-07-01 20
1975-10-01 20
1976-01-01 20
1976-04-01 20
1976-07-01 20
1976-10-01 20
1977-01-01 20
1977-04-01 20
1977-07-01 20
1977-10-01 20
1978-01-01 20
1978-04-01 20
1978-07-01 20
1978-10-01 20
1979-01-01 20
1979-04-01 20
1979-07-01 20
1979-10-01 20
1980-01-01 20
1980-04-01 20
1980-07-01 20
1980-10-01 20
1981-01-01 20
1981-04-01 20
1981-07-01 20
1981-10-01 20
1982-01-01 20
1982-04-01 20
1982-07-01 20
1982-10-01 20
1983-01-01 20
1983-04-01 20
1983-07-01 20
1983-10-01 20
1984-01-01 20
1984-04-01 20
1984-07-01 20
1984-10-01 20
1985-01-01 20
1985-04-01 20
1985-07-01 20
1985-10-01 4
1986-01-01 4
1986-04-01 4
1986-07-01 43
1986-10-01 40
1987-01-01 43
1987-04-01 92
1987-07-01 92
1987-10-01 100
1988-01-01 98
1988-04-01 95
1988-07-01 95
1988-10-01 98
1989-01-01 95
1989-04-01 92
1989-07-01 93
1989-10-01 92
1990-01-01 88
1990-04-01 89
1990-07-01 93
1990-10-01 94
1991-01-01 93
1991-04-01 293
1991-07-01 295
1991-10-01 298
1992-01-01 295
1992-04-01 248
1992-07-01 250
1992-10-01 248
1993-01-01 252
1993-04-01 382
1993-07-01 382
1993-10-01 379
1994-01-01 731
1994-04-01 737
1994-07-01 677
1994-10-01 675
1995-01-01 690
1995-04-01 693
1995-07-01 798
1995-10-01 1038
1996-01-01 1506
1996-04-01 1884
1996-07-01 1873
1996-10-01 2149
1997-01-01 3095
1997-04-01 3129
1997-07-01 3093
1997-10-01 3052
1998-01-01 3423
1998-04-01 3934
1998-07-01 4635
1998-10-01 4724
1999-01-01 5071
1999-04-01 5542
1999-07-01 5631
1999-10-01 6120
2000-01-01 6842
2000-04-01 7087
2000-07-01 7273
2000-10-01 7471
2001-01-01 8121
2001-04-01 9645
2001-07-01 10165
2001-10-01 10911
2002-01-01 10666
2002-04-01 10295
2002-07-01 10661
2002-10-01 11316
2003-01-01 11503
2003-04-01 11060
2003-07-01 11517
2003-10-01 11711
2004-01-01 11476
2004-04-01 11452
2004-07-01 11995
2004-10-01 12639
2005-01-01 12953
2005-04-01 12951
2005-07-01 13134
2005-10-01 13220
2006-01-01 13008
2006-04-01 12393
2006-07-01 14614
2006-10-01 15164
2007-01-01 14751
2007-04-01 15659
2007-07-01 15963
2007-10-01 16028
2008-01-01 16052
2008-04-01 15615
2008-07-01 15177
2008-10-01 15106
2009-01-01 15712
2009-04-01 16327
2009-07-01 16726
2009-10-01 17998
2010-01-01 17492
2010-04-01 18081
2010-07-01 18650
2010-10-01 18408
2011-01-01 18499
2011-04-01 17882
2011-07-01 19622
2011-10-01 19431
2012-01-01 20103
2012-04-01 20080
2012-07-01 20674
2012-10-01 20408
2013-01-01 20108
2013-04-01 19866
2013-07-01 21491
2013-10-01 21431
2014-01-01 23351
2014-04-01 23554
2014-07-01 23190
2014-10-01 22514
2015-01-01 24759
2015-04-01 24739
2015-07-01 25677
2015-10-01 24657
2016-01-01 26225
2016-04-01 26296
2016-07-01 26336
2016-10-01 25984
2017-01-01 26956
2017-04-01 26945
2017-07-01 28461
2017-10-01 28457
2018-01-01 28671
2018-04-01 28445