Quarterly Millions of US Dollars
1978-07-01 62
1978-10-01 62
1979-01-01 61
1979-04-01 61
1979-07-01 61
1979-10-01 62
1980-01-01 61
1980-04-01 62
1980-07-01 62
1980-10-01 62
1981-01-01 61
1981-04-01 61
1981-07-01 60
1981-10-01 61
1982-01-01 60
1982-04-01 60
1982-07-01 59
1982-10-01 60
1983-01-01 59
1983-04-01 59
1983-07-01 34
1983-10-01 34
1984-01-01 34
1984-04-01 34
1984-07-01 83
1984-10-01 83
1985-01-01 83
1985-04-01 83
1985-07-01 84
1985-10-01 85
1986-01-01 84
1986-04-01 84
1986-07-01 50
1986-10-01 50
1987-01-01 87
1987-04-01 80
1987-07-01 85
1987-10-01 50
1988-01-01 50
1988-04-01 50
1988-07-01 50
1988-10-01 50
1989-01-01 50
1989-04-01 50
1989-07-01 50
1989-10-01 78
1990-01-01 50
1990-04-01 50
1990-07-01 50
1990-10-01 50
1991-01-01 50
1991-04-01 50
1991-07-01 50
1991-10-01 50
1992-01-01 50
1992-04-01 50
2002-01-01 450
2002-04-01 450
2002-07-01 750
2002-10-01 750
2003-01-01 750
2003-04-01 750
2003-07-01 750
2003-10-01 950
2004-01-01 950
2004-04-01 950
2004-07-01 950
2004-10-01 1450
2005-01-01 1000
2005-04-01 1500
2005-07-01 2189
2005-10-01 2243
2006-01-01 2790
2006-04-01 2635
2006-07-01 2204
2006-10-01 2454
2007-01-01 2453
2007-04-01 2675
2007-07-01 2317
2007-10-01 2237
2008-01-01 2656
2008-04-01 2607
2008-07-01 2514
2008-10-01 2191
2009-01-01 2126
2009-04-01 2169
2009-07-01 2194
2009-10-01 1688
2010-01-01 1665
2010-04-01 1119
2010-07-01 1589
2010-10-01 1580
2011-01-01 1797
2011-04-01 1230
2011-07-01 1436
2011-10-01 1341
2012-01-01 1367
2012-04-01 1431
2012-07-01 1331
2012-10-01 1275
2013-01-01 1070
2013-04-01 1057
2013-07-01 1069
2013-10-01 1067
2014-01-01 1070
2014-04-01 1080
2014-07-01 1782
2014-10-01 1743
2015-01-01 1710
2015-04-01 2562
2015-07-01 2484
2015-10-01 2093
2016-01-01 2109
2016-04-01 2676
2016-07-01 2478
2016-10-01 2651
2017-01-01 7977
2017-04-01 9373
2017-07-01 9509
2017-10-01 9614
2018-01-01 9641
2018-04-01 9602