Quarterly Millions of US Dollars
1976-01-01 17
1976-04-01 37
1976-07-01 37
1976-10-01 38
1977-01-01 38
1977-04-01 38
1977-07-01 38
1977-10-01 38
1978-01-01 39
1978-04-01 69
1978-07-01 69
1978-10-01 69
1979-01-01 69
1979-04-01 69
1979-07-01 69
1979-10-01 70
1980-01-01 70
1980-04-01 95
1980-07-01 95
1980-10-01 95
1981-01-01 77
1981-04-01 77
1981-07-01 77
1981-10-01 77
1982-01-01 77
1982-04-01 77
1982-07-01 77
1982-10-01 77
1983-01-01 77
1983-04-01 55
1983-07-01 55
1983-10-01 55
1984-01-01 55
1984-04-01 55
1984-07-01 55
1984-10-01 55
1985-01-01 55
1985-04-01 25
1985-07-01 25
1985-10-01 17
1986-01-01 17
1986-04-01 17
1986-07-01 17
1986-10-01 9
1987-01-01 9
1996-04-01 220
1996-07-01 545
1996-10-01 410
1997-01-01 410
1997-04-01 635
1997-07-01 632
1997-10-01 625
1998-01-01 619
1998-04-01 1167
1998-07-01 1222
1998-10-01 1216
1999-01-01 1580
1999-04-01 1530
1999-07-01 1568
1999-10-01 1495
2000-01-01 1823
2000-04-01 1819
2000-07-01 1700
2000-10-01 1778
2001-01-01 1795
2001-04-01 2116
2001-07-01 1924
2001-10-01 1865
2002-01-01 1847
2002-04-01 2090
2002-07-01 2066
2002-10-01 2222
2003-01-01 2316
2003-04-01 2423
2003-07-01 2471
2003-10-01 2669
2004-01-01 2576
2004-04-01 2309
2004-07-01 2357
2004-10-01 2649
2005-01-01 2522
2005-04-01 1745
2005-07-01 1738
2005-10-01 1699
2006-01-01 1759
2006-04-01 1843
2006-07-01 1836
2006-10-01 1901
2007-01-01 3396
2007-04-01 3444
2007-07-01 3616
2007-10-01 3901
2008-01-01 5771
2008-04-01 5754
2008-07-01 5221
2008-10-01 5080
2009-01-01 4325
2009-04-01 4594
2009-07-01 7688
2009-10-01 8180
2010-01-01 6999
2010-04-01 7564
2010-07-01 8380
2010-10-01 8277
2011-01-01 9279
2011-04-01 8784
2011-07-01 8226
2011-10-01 7895
2012-01-01 8140
2012-04-01 7690
2012-07-01 5304
2012-10-01 7656
2013-01-01 7762
2013-04-01 11374
2013-07-01 11427
2013-10-01 11541
2014-01-01 15040
2014-04-01 18214
2014-07-01 17910
2014-10-01 17555
2015-01-01 16644
2015-04-01 15473
2015-07-01 15817
2015-10-01 15640
2016-01-01 15833
2016-04-01 15732
2016-07-01 15765
2016-10-01 14804
2017-01-01 14883
2017-04-01 15263
2017-07-01 15116
2017-10-01 14010
2018-01-01 12908
2018-04-01 11711