Quarterly Millions of US Dollars
1977-01-01 42
1977-04-01 43
1977-07-01 43
1977-10-01 47
1978-01-01 49
1978-04-01 48
1978-07-01 52
1978-10-01 55
1979-01-01 54
1979-04-01 54
1979-07-01 57
1979-10-01 58
1980-01-01 51
1980-04-01 57
1980-07-01 55
1980-10-01 51
1981-01-01 48
1981-04-01 42
1981-07-01 43
1981-10-01 44
1993-07-01 1500
1993-10-01 1500
1994-01-01 1500
1994-04-01 1500
1994-07-01 1500
1994-10-01 1500
1995-01-01 1500
1995-04-01 1500
1995-07-01 1500
1995-10-01 1500
1996-01-01 1500
1996-04-01 1500
1996-07-01 1500
1996-10-01 1500
1997-01-01 1500
1997-04-01 1500
1997-07-01 1500
1997-10-01 1500
1998-01-01 1500
1998-04-01 1500
1998-07-01 1500
1998-10-01 1500
1999-01-01 1500
1999-04-01 1500
1999-07-01 1500
1999-10-01 1500
2000-01-01 1500
2000-04-01 1500
2000-07-01 1500
2000-10-01 1500
2001-01-01 1500
2001-04-01 1500
2001-07-01 1500
2001-10-01 1500
2002-01-01 1500
2002-04-01 1500
2002-07-01 1730
2002-10-01 1730
2003-01-01 1730
2003-04-01 1730
2003-07-01 1730
2003-10-01 1730
2004-01-01 3030
2004-04-01 3030
2004-07-01 3030
2004-10-01 4030
2005-01-01 5105
2005-04-01 7105
2005-07-01 7612
2005-10-01 9965
2006-01-01 15357
2006-04-01 18136
2006-07-01 20093
2006-10-01 31854
2007-01-01 36323
2007-04-01 38167
2007-07-01 42753
2007-10-01 46452
2008-01-01 47199
2008-04-01 52392
2008-07-01 54112
2008-10-01 49825
2009-01-01 47795
2009-04-01 54044
2009-07-01 60066
2009-10-01 55707
2010-01-01 54186
2010-04-01 52556
2010-07-01 53171
2010-10-01 55322
2011-01-01 55676
2011-04-01 57526
2011-07-01 57050
2011-10-01 58640
2012-01-01 60107
2012-04-01 58934
2012-07-01 59989
2012-10-01 65751
2013-01-01 68815
2013-04-01 70997
2013-07-01 70615
2013-10-01 72373
2014-01-01 73735
2014-04-01 80314
2014-07-01 78527
2014-10-01 82627
2015-01-01 85389
2015-04-01 91076
2015-07-01 92763
2015-10-01 93083
2016-01-01 94168
2016-04-01 104654
2016-07-01 108065
2016-10-01 110528
2017-01-01 113252
2017-04-01 117355
2017-07-01 120178
2017-10-01 133379
2018-01-01 136482
2018-04-01 138093